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Use the A-Z list to browse more than 6,000 health-related topics in our library. Clicking on a term opens the definition and, in most cases, links to more information.
Topic Index
- + LH
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- LH
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"LH" is more commonly referred to as "Luteinizing Hormone" in the medical community.
Luteinizing Hormone
A hormone secreted by the pituitary gland in the brain that stimulates the secretion of the reproductive hormones in men and women.
- + Lhermitte Sign
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- Lhermitte Sign
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Sudden and brief electric-like shocks that extend down the spine, triggered by flexing the head forward. This condition has been noted as a sign of multiple sclerosis, but could also be caused by herniated discs or other spinal disorders.
More Information on Lhermitte Sign: Neuro Signs & Symptoms
- + LHRH
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- LHRH
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Also Known As: "Leuteinizing Hormone Releasing Hormone"
A hormone released in the hypothalamus of the brain that signals another part of the brain to produce LH (leuteinizing hormone). LH signals the testicles to produce testosterone.
More Information on LHRH: Prostate & Testicular
- + LHRH Agonists
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- LHRH Agonists
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Also Known As: "LHRH Inhibitors, Leuteinizing Hormone Releasing Hormone Agonists, LHRH Analogs"
Medications that block the release of the hormone LHRH, which is responsible for signaling the brain to produce another hormone (LH). LH signals the testicles to produce testosterone. Therefore, these drugs lead to decreased testosterone production.
More Information on LHRH Agonists: Prostate & Testicular
- + LHRH Analogs
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- LHRH Analogs
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Also Known As: "Leuteinizing Hormone Releasing Hormone Agonists, LHRH Inhibitors"
Medications that block the release of the hormone LHRH, which is responsible for signaling the brain to produce another hormone (LH). LH signals the testicles to produce testosterone. Therefore, these drugs lead to decreased testosterone production.
More Information on LHRH Analogs: Prostate & Testicular
- + LHRH Inhibitors
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- LHRH Inhibitors
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Also Known As: "Leuteinizing Hormone Releasing Hormone Agonists, LHRH Analogs"
Medications that block the release of the hormone LHRH, which is responsible for signaling the brain to produce another hormone (LH). LH signals the testicles to produce testosterone. Therefore, these drugs lead to decreased testosterone production.
More Information on LHRH Inhibitors: Prostate & Testicular
- + Li Fraumeni Syndrome
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- Li Fraumeni Syndrome
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Also Known As: "LFS, SBLA Syndrome, Sarcoma Breast Leukemia Adrenal Gland Syndrome, SBLA"
A rare genetic predisposition to develop a specific set of cancers, often abbreviated as SBLA: Sarcoma, breast cancer, leukemia and adrenal gland cancer. It is caused by a genetic mutation (change) in the p53 tumor suppressor gene.
More Information on Li Fraumeni Syndrome: Cancer Risk Factors
- + Libido
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- Libido
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The driving force behind human behavior. Although often identified as sexual urges, it can also include the desire for pleasure, satisfaction and to live.
More Information on Libido: Emotional Health Basics
- + Lice
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- Lice
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Also Known As: "Body Lice, Pediculosis, Pediculus Corporis Infestation, Pediculus Infestation"
Tiny parasitic insects known as Pediculus humanus corporis that spread through close contact with other people. The three types are head lice, body lice and pubic lice.
More Information on Lice: Parasitic Disease
- + Lichen Aureus
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- Lichen Aureus
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A type of progressive pigmentary purpura.
More Information on Lichen Aureus: Skin Discoloration
- + Lichen Planus
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- Lichen Planus
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A skin disease that appears as shiny, reddish-purplish, flat-topped bumps with an angular shape. It appears on the inside of the wrists and ankles, the lower legs, the back and the neck. Episodes may last months to years.
More Information on Lichen Planus: Skin Discoloration
- + Lichen Sclerosus
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- Lichen Sclerosus
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A rare skin disease involving angular, pea-sized eruptions. They may be slightly raised and pink early in the disease and then become nearly flat and white or gray later in the disease. It is more common in women than men.
More Information on Lichen Sclerosus: Skin Discoloration
- + Lichen Striatus
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- Lichen Striatus
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Disorder of the skin and mucous membranes that causes inflammation, itching and skin lesions. An allergic or immune reaction is the likely cause of the disease, which tends to strike in middle age and recur for years afterward.
More Information on Lichen Striatus: Skin Discoloration
- + Lichenoid Dermatitis of Gourgerot Blum
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- Lichenoid Dermatitis of Gourgerot Blum
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Part of a group of conditions known collectively as progressive pigmentary purpura, it involves rusty brown skin discoloration marked with tiny red dots. Its effects are usually cosmetic and do not pose danger.
More Information on Lichenoid Dermatitis of Gourgerot Blum: Skin Discoloration
- + Licorice & Potassium Loss
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- Licorice & Potassium Loss
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Licorice is a natural diuretic, causing the production of urine by the kidneys. Individuals taking diuretic medications should avoid eating licorice because it may result in excess loss of potassium or other substances through urine.
More Information on Licorice & Potassium Loss: Heart Drug & Medication
- + Lifestyle Factors & Epilepsy
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- Lifestyle Factors & Epilepsy
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Seizure disorders, such as epilepsy, impact all areas of life from employment to travel. It is important for people living with these disorders to know their legal rights and to where to find support when needed.
More Information on Lifestyle Factors & Epilepsy: Epilepsy & Seizure
- + Ligament
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- Ligament
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A band of flexible, fibrous connective tissue attached at the end of a bone near a joint, connecting bones to one another and providing stability to a joint.
- + Light Allergy
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- Light Allergy
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"Light Allergy" is more commonly referred to as "Photosensitivity" in the medical community.
Photosensitivity
Also Known As: "Sun Sensitivity, Sun Allergy, Light Sensitivity"
An increase sensitivity to sunlight that may result in skin eruptions, such as pimples, blisters or hives.
More Information on Photosensitivity: Skin & Hair Basics
- + Light Emitting Diode Therapy
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- Light Emitting Diode Therapy
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Also Known As: "LED Therapy, LED Light Therapy"
A type of photodynamic therapy that uses a particular type of light (LED). Photosensitive drugs are injected into the body and given time to accumulate in a tumor. LED light is then introduced to cause changes in the drug that kills cancer cells.
More Information on Light Emitting Diode Therapy: Chemo & Radiation Therapy
- + Light Sensitivity
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- Light Sensitivity
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"Light Sensitivity" is more commonly referred to as "Photosensitivity" in the medical community.
Photosensitivity
Also Known As: "Sun Sensitivity, Light Allergy, Sun Allergy"
An increase sensitivity to sunlight that may result in skin eruptions, such as pimples, blisters or hives.
More Information on Photosensitivity: Skin & Hair Basics
- + Light Sensitivity & Headaches
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- Light Sensitivity & Headaches
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Bright lights, particularly flickering light (e.g., light reflected on snow or water), can trigger migraines in many people. This reaction may be due to the way a person's brain cells respond to light.
More Information on Light Sensitivity & Headaches: Headache & Migraine
- + Light Therapy
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- Light Therapy
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A form of therapy that uses precisely timed exposure to bright light to promote a normal sleep-wake cycle.
More Information on Light Therapy: Therapy & Support
- + Lightheadedness
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- Lightheadedness
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"Lightheadedness" is more commonly referred to as "Dizziness" in the medical community.
Dizziness
Also Known As: "Vertigo, Presyncope, Disequilibrium"
Spatial disorientation that often leads to a loss of balance and/or a feeling that "the room is spinning." It may be accompanied by nausea, fainting (syncope), lightheadedness, sweating, headache, visual difficulty and confusion.
More Information on Dizziness: Neuro Signs & Symptoms
- + Lignans
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- Lignans
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A type of phytoestrogen found in cereals, fruits, vegetables and flaxseed. It may reduce the risk of certain cancers (e.g., breast, colon, ovarian, prostate) and is also sold as a dietary supplement.
- + Lignin
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- Lignin
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A tough fiber found in the cell wall of plants, including the woody parts of some vegetables (e.g., carrots) and the small seeds of fruits (e.g., strawberries).
- + Limb Perfusion
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- Limb Perfusion
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Also Known As: "Isolated Limb Perfusion"
A technique for administering cancer drugs directly to a tumor within a limb (arms or legs). Circulation is temporarily cut off to and from the rest of the body while the drug is administered, allowing the drug to concentrate around the cancer site.
More Information on Limb Perfusion: Chemo & Radiation Therapy
- + Limited Access Coronary Artery Surgery
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- Limited Access Coronary Artery Surgery
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"Limited Access Coronary Artery Surgery" is more commonly referred to as "Minimally Invasive Bypass Surgery" in the medical community.
Minimally Invasive Bypass Surgery
Also Known As: "Beating Heart Surgery, MIDCAB, Minimally Invasive Direct Coronary Artery Bypass"
A less invasive procedure than traditional bypass surgery to create a path for blood to flow around a clogged artery.
More Information on Minimally Invasive Bypass Surgery: Bypass Surgery
- + Limited Breast Surgery
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- Limited Breast Surgery
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"Limited Breast Surgery" is more commonly referred to as "Lumpectomy" in the medical community.
Lumpectomy
Also Known As: "Segmental Mastectomy, Breast Conservation Therapy, Tylectomy, Breast Sparing Surgery, Breast Conservation Surgery, Partial Mastectomy, Segmental Breast Excision"
Surgical removal of the cancerous tissue within the breast without removing any other part of the breast. It may also include removal of the lymph nodes in the armpit (axilla).
More Information on Lumpectomy: Breast Cancer
- + Limited Colitis
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- Limited Colitis
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"Limited Colitis" is more commonly referred to as "Left Sided Colitis" in the medical community.
Left Sided Colitis
Also Known As: "Distal Colitis"
A type of inflammatory bowel disease where inflammation and irritation occurs along the left side of the large intestine, from the rectum into the colon.
More Information on Left Sided Colitis: Inflammatory Bowel (Colitis)
- + Limited Oral Evaluation
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- Limited Oral Evaluation
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Also Known As: "Limited Oral Examination"
An oral evaluation that focuses on a specific oral health problem, such as dental trauma or periodontitis.
More Information on Limited Oral Evaluation: Oral Health Basics
- + Limited Oral Examination
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- Limited Oral Examination
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An oral evaluation that focuses on a specific oral health problem, such as dental trauma or periodontitis.
More Information on Limited Oral Examination: Oral Health Basics
- + Limited Scleroderma
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- Limited Scleroderma
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"Limited Scleroderma" is more commonly referred to as "Generalized Scleroderma" in the medical community.
Generalized Scleroderma
Also Known As: "Diffuse Scleroderma, Systemic Scleroderma, Systemic Sclerosis"
A chronic, progressive condition involving the thickening, tightening or hardening of body areas. It begins with the skin, then later involves the lungs, blood vessels, kidneys, intestines or other organs. The two main types are diffuse and limited.
More Information on Generalized Scleroderma: Psoriasis & Autoimmune Skin
- + Limonene
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- Limonene
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"Limonene" is more commonly referred to as "Monoterpenes" in the medical community.
Monoterpenes
Also Known As: "Perillyl Alcohol, POH"
Phytochemicals found in citrus fruit peels and oils. They may serve as anticarcinogens (preventing or fighting cancer). These may also be sold as ingredients in dietary supplements. Types include perillyl alcohol (POH) and limonene.
More Information on Monoterpenes: Herbs & Supplements
- + Linear Scleroderma
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- Linear Scleroderma
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"Linear Scleroderma" is more commonly referred to as "Localized Scleroderma" in the medical community.
Localized Scleroderma
Also Known As: "Morphea"
A skin disorder characterized by the thickening and hardening of the skin. It affects the skin and sometimes the tissue and muscle below it but does not progress to any other systems. The two main types are morphea and linear.
More Information on Localized Scleroderma: Psoriasis & Autoimmune Skin
- + Linear Vitiligo
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- Linear Vitiligo
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A condition in which lines of skin turn milky white due to the loss of cells that produce the pigment responsible for giving skin its color.
More Information on Linear Vitiligo: Skin Discoloration
- + Lingua Nigra
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- Lingua Nigra
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"Lingua Nigra" is more commonly referred to as "Hairy Tongue" in the medical community.
Hairy Tongue
Also Known As: "Dark Tongue, Black Hairy Tongue, Lingua Villosa, Lingua Villosa Nigra"
A benign condition in which the tongue appears to be covered in hair (usually appearing black, but may also be other colors). These "hairs" are actually overgrowth of normal fingerlike projections on the tongue that have trapped bacteria.
More Information on Hairy Tongue: Mouth & Tongue Disorders
- + Lingua Villosa
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- Lingua Villosa
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"Lingua Villosa" is more commonly referred to as "Hairy Tongue" in the medical community.
Hairy Tongue
Also Known As: "Dark Tongue, Black Hairy Tongue, Lingua Villosa Nigra, Lingua Nigra"
A benign condition in which the tongue appears to be covered in hair (usually appearing black, but may also be other colors). These "hairs" are actually overgrowth of normal fingerlike projections on the tongue that have trapped bacteria.
More Information on Hairy Tongue: Mouth & Tongue Disorders
- + Lingua Villosa Nigra
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- Lingua Villosa Nigra
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"Lingua Villosa Nigra" is more commonly referred to as "Hairy Tongue" in the medical community.
Hairy Tongue
Also Known As: "Dark Tongue, Black Hairy Tongue, Lingua Nigra, Lingua Villosa"
A benign condition in which the tongue appears to be covered in hair (usually appearing black, but may also be other colors). These "hairs" are actually overgrowth of normal fingerlike projections on the tongue that have trapped bacteria.
More Information on Hairy Tongue: Mouth & Tongue Disorders
- + Lingual
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- Lingual
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Relating to the tongue, including the back (towards the tongue) surface of a tooth.
More Information on Lingual: Oral Health Basics
- + Lingual Frena
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- Lingual Frena
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Also Known As: "Tongue Frena, Frenum Linguae, Tongue Frenum, Tongue Frenulum, Lingual Frenulum"
A small band of skin on the underside of the tongue that that attaches the tongue to the bottom of the oral cavity.
More Information on Lingual Frena: Mouth & Tongue Disorders
- + Lingual Frenulum
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- Lingual Frenulum
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Also Known As: "Tongue Frena, Frenum Linguae, Tongue Frenum, Lingual Frena, Tongue Frenulum"
A small band of skin on the underside of the tongue that that attaches the tongue to the bottom of the oral cavity.
More Information on Lingual Frenulum: Mouth & Tongue Disorders
- + Lingual Frenum
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- Lingual Frenum
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Also Known As: "Lingual Frenulum, Tongue Frena, Frenum Linguae, Tongue Frenum, Lingual Frena, Tongue Frenulum"
A small band of skin on the underside of the tongue that that attaches the tongue to the bottom of the oral cavity.
More Information on Lingual Frenum: Mouth & Tongue Disorders
- + Lingual Lipase
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- Lingual Lipase
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A fat-splitting enzyme secreted by cells at the base of the tongue. It degrades medium- to short-chain triglycerides and prepares ingested lipids for intestinal digestion.
- + Linoleic Acid
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- Linoleic Acid
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An essential omega-6 fatty acid that contains 18 carbon atoms and 2 carbon-carbon double bonds. It is a thin liquid at room temperature and is found in many vegetable oils, margarines and processed foods.
More Information on Linoleic Acid: Fats & Oils
- + Linseed
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- Linseed
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"Linseed" is more commonly referred to as "Flaxseed" in the medical community.
Flaxseed
Also Known As: "Flax, Common Flax"
A seed that is a good source of omega-3 fatty acids (may protect against heart disease) and contains lignans (may reduce cancer risk). It may be added to prepackaged foods and is available as whole or ground seeds, in flour or in supplements.
More Information on Flaxseed: Functional Foods
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- + Lip Cancers
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- Lip Cancers
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"Lip Cancers" is more commonly referred to as "Oral Cancers" in the medical community.
Oral Cancers
Also Known As: "Oral Cavity Cancers, Mouth Cancers"
Cancer of the mouth, lip and/or oropharynx (part of the throat at the back of the mouth). Most begin in the tongue and in the floor of the mouth. Tobacco, alcohol, sun exposure and a medical history of cancer are risk factors.
More Information on Oral Cancers: Head, Neck & Mouth Cancer
- + Lip Piercing
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- Lip Piercing
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"Lip Piercing" is more commonly referred to as "Oral Piercing" in the medical community.
Oral Piercing
Also Known As: "Tongue Piercing"
Piercing of areas in or around the mouth (e.g., tongue, lip). Side effects can include pain, swelling, infection, increased flow of saliva, injuries to the gum tissue and severe bleeding that is difficult to control.
More Information on Oral Piercing: Mouth & Tongue Disorders
- + Lipatrophic Diabetes
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- Lipatrophic Diabetes
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A rare form of type 2 diabetes that is characterized by a lack of subcutaneous fat (lipoatrophy), and high glucose (blood sugar) levels (hyperglycemia) and high insulin levels (hyperinsulinemia). It is thought to have a strong genetic component.
More Information on Lipatrophic Diabetes: Type 2 Diabetes Basics
- + Lipid Profile
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- Lipid Profile
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"Lipid Profile" is more commonly referred to as "Cholesterol Test" in the medical community.
Cholesterol Test
Also Known As: "Triglyceride Test, VLDL Test, Total Cholesterol Test, HDL Test, Blood Fat Profile, LDL Test, Lipoprotein Analysis"
A group of blood tests that reveal the composition, volume and distribution of the types of fat found in the blood, including cholesterol, triglycerides and lipoproteins. Some tests measure total levels while others measure only one type of fat.
More Information on Cholesterol Test: Blood Tests
- + Lipid Storage Diseases
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- Lipid Storage Diseases
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A group of inherited metabolic disorders in which lipids accumulate in cells and tissues. This can cause permanent cellular and tissue damage, particularly in the brain, peripheral nervous system, liver, spleen and bone marrow.
More Information on Lipid Storage Diseases: Birth & Genetic Disorders
- + Lipids
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- Lipids
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Fats or fat-like substances. Examples include cholesterol, triglycerides and fatty acids.
More Information on Lipids: Cholesterol
- + Lipitor
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- Lipitor
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Also Known As: "Atorvastatin"
A brand name medication (generic atorvastatin) belonging to a class of drugs called statins -- cholesterol-reducing medications used in the treatment of high cholesterol.
More Information on Lipitor: Heart Drug & Medication
- + Lipoatrophy
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- Lipoatrophy
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Loss of fat beneath the skin.
- + Lipodystrophy
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- Lipodystrophy
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"Lipodystrophy" is more commonly referred to as "Insulin Induced Dystrophy" in the medical community.
Insulin Induced Dystrophy
Small lumps (hypertrophy) or depressions (atrophy) that form under the skin when people inject themselves with insulin repeatedly in the same location. To avoid this, people should vary the sites of insulin injections (injection site rotation).
More Information on Insulin Induced Dystrophy: Insulin
- + Lipogenesis
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- Lipogenesis
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The process of transforming nonfat food materials into body fat. It involves the synthesis of fatty acids from acetyl CoA derived from the metabolism of fats, alcohol and some amino acids.
More Information on Lipogenesis: Fats & Oils
- + Lipohypertrophy
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- Lipohypertrophy
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"Lipohypertrophy" is more commonly referred to as "Insulin Induced Hypertrophy" in the medical community.
Insulin Induced Hypertrophy
Small lumps that form under the skin when people inject themselves with insulin repeatedly in the same location. To avoid this, it is recommended that people vary the sites of insulin injections (injection site rotation).
More Information on Insulin Induced Hypertrophy: Insulin
- + Lipoma
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- Lipoma
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Benign tumor composed of fat.
- + Lipoprotein Analysis
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- Lipoprotein Analysis
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"Lipoprotein Analysis" is more commonly referred to as "Cholesterol Test" in the medical community.
Cholesterol Test
Also Known As: "Triglyceride Test, VLDL Test, Total Cholesterol Test, HDL Test, Blood Fat Profile, LDL Test, Lipid Profile"
A group of blood tests that reveal the composition, volume and distribution of the types of fat found in the blood, including cholesterol, triglycerides and lipoproteins. Some tests measure total levels while others measure only one type of fat.
More Information on Cholesterol Test: Blood Tests
- + Lipoprotein Lipase
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- Lipoprotein Lipase
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The major enzyme responsible for the breakdown of lipoproteins and triglycerides in the blood. A deficiency of lipoprotein lipase leads to elevated levels of triglycerides (hypertriglyceridemia).
More Information on Lipoprotein Lipase: Cholesterol
- + Lipoproteins
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- Lipoproteins
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Particles that carry cholesterol and triglycerides through the bloodstream. Types of lipoproteins include low-density lipoproteins (LDL) or "bad" cholesterol, and high density lipoproteins (HDL) or "good" cholesterol.
More Information on Lipoproteins: Cholesterol
- + Liposarcoma
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- Liposarcoma
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A rare cancer of the body's fat cells (lipids).
More Information on Liposarcoma: Cancer Basics
- + Liposuction
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- Liposuction
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Also Known As: "Tumescent Liposuction, Body Contouring"
Removal of excess body fat by suction with specialized surgical equipment. It is typically performed by a plastic surgeon and includes variations such as tumescent liposuction, the super-wet technique and ultrasound-assisted liposuction.
More Information on Liposuction: Skin & Aging
- + Liquaemin
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- Liquaemin
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"Liquaemin" is more commonly referred to as "Heparin" in the medical community.
Heparin
Also Known As: "Heparin Leo, Unfractionated Heparin, Calciparine"
A brand of anticoagulants, medications that decrease the ability of the blood to clot. While clotting is a necessary and life-sustaining function, anticoagulants reduce the risk of a clot forming and blocking blood flow through a major blood vessel.
More Information on Heparin: Heart Drug & Medication
- + Liquid E
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- Liquid E
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"Liquid E" is more commonly referred to as "GHB" in the medical community.
GHB
Also Known As: "Date Rape Drug, Gamma Hydroxybutyrate, Liquid Ecstasy, Gammahydroxybutyric Acid, Liquid X"
A colorless and odorless, salty liquid or powder that has sedative effects and has been used as a date rape drug.
More Information on GHB: Alcohol & Substance Abuse
- + Liquid Ecstasy
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- Liquid Ecstasy
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"Liquid Ecstasy" is more commonly referred to as "GHB" in the medical community.
GHB
Also Known As: "Date Rape Drug, Gamma Hydroxybutyrate, Gammahydroxybutyric Acid, Liquid X, Liquid E"
A colorless and odorless, salty liquid or powder that has sedative effects and has been used as a date rape drug.
More Information on GHB: Alcohol & Substance Abuse
- + Liquid X
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- Liquid X
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"Liquid X" is more commonly referred to as "GHB" in the medical community.
GHB
Also Known As: "Date Rape Drug, Liquid E, Gamma Hydroxybutyrate, Liquid Ecstasy, Gammahydroxybutyric Acid"
A colorless and odorless, salty liquid or powder that has sedative effects and has been used as a date rape drug.
More Information on GHB: Alcohol & Substance Abuse
- + Lisinopril
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- Lisinopril
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"Lisinopril" is more commonly referred to as "Captopril" in the medical community.
Captopril
Also Known As: "Quinapril, Enalaprilat, Fosinopril, Benazepril, Ramipril, Enalapril"
A type of ACE inhibitors, medications that widen blood vessels and lower blood pressure. ACE stands for angiotensin-converting enzyme. These medications are being studied for the prevention of side effects from radiation therapy.
More Information on Captopril: Cancer Drug & Medication
- + Lispro
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- Lispro
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"Lispro" is more commonly referred to as "Insulin Lispro" in the medical community.
Insulin Lispro
A form of fast-acting insulin used in the treatment of type 2 diabetes. It is usually used in conjunction with other antidiabetic agents, including a longer-acting form of insulin.
More Information on Insulin Lispro: Insulin
- + Lissencephaly
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- Lissencephaly
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A rare condition present from birth in which the normal folds and grooves of the brain are absent. The term literally means 'smooth brain.' Prognosis varies greatly between patients depending on the level of function.
More Information on Lissencephaly: Pediatric Brain & Nerve
- + Listeria
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- Listeria
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Any of various rod-shaped, gram-positive bacteria of the genus Listeria. It is found in the feces of humans and other animals, on vegetation and in silage. This bacterium causes an infectious disease of animals and humans called listeriosis.
More Information on Listeria: Gastroenteritis & Food Illness
- + Listeria Disease
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- Listeria Disease
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Also Known As: "Listeria Monocytogenes Infection, Listeria Infection"
An infectious disease caused by the bacterium Listeria monocytogenes. Infection occurs by eating contaminated food. Newborns, pregnant women, the elderly and people with suppressed immune systems are at higher risk.
More Information on Listeria Disease: Gastroenteritis & Food Illness
- + Listeria Infection
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- Listeria Infection
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Also Known As: "Listeria Disease, Listeria Monocytogenes Infection"
An infectious disease caused by the bacterium Listeria monocytogenes. Infection occurs by eating contaminated food. Newborns, pregnant women, the elderly and people with suppressed immune systems are at higher risk.
More Information on Listeria Infection: Gastroenteritis & Food Illness
- + Listeria Monocytogenes Infection
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- Listeria Monocytogenes Infection
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Also Known As: "Listeria Infection, Listeria Disease"
An infectious disease caused by the bacterium Listeria monocytogenes. Infection occurs by eating contaminated food. Newborns, pregnant women, the elderly and people with suppressed immune systems are at higher risk.
More Information on Listeria Monocytogenes Infection: Gastroenteritis & Food Illness
- + Listeriosis
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- Listeriosis
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Also Known As: "Listeria Disease, Listeria Monocytogenes Infection, Listeria Infection"
An infectious disease caused by the bacterium Listeria monocytogenes. Infection occurs by eating contaminated food. Newborns, pregnant women, the elderly and people with suppressed immune systems are at higher risk.
More Information on Listeriosis: Gastroenteritis & Food Illness
- + Lithium
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- Lithium
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A chemical element that can be used to stabilize fluctuating moods by altering the levels of water and electrolytes in the body. It is frequently used in the treatment of bipolar disorder.
More Information on Lithium: Psychiatric Medications
- + Livedo
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- Livedo
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A mottled blue or purplish discoloration of the skin.
More Information on Livedo: Skin Discoloration
- + Livedo Reticularis
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- Livedo Reticularis
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A semi-permanent discoloration of the skin involving a mottled blue or purplish color to the arms, hands and legs. It may worsen with exposure to cold. It has been associated with some autoimmune conditions and with abnormal antibody blood levels.
More Information on Livedo Reticularis: Skin Discoloration
- + Liver
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- Liver
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An organ in the abdomen that aids in digestion and regulates levels of vital substances in the blood.
More Information on Liver: Digestive Health Basics
- + Liver & Biliary Function
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- Liver & Biliary Function
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The liver produces bile, which is composed of digestive juices that are important in breaking down fats and eliminating wastes. The liver is also important in purifying toxins from the body, storing sugars and producing certain hormones.
More Information on Liver & Biliary Function: Liver, Pancreas & Biliary
- + Liver Biopsy
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- Liver Biopsy
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A procedure that removes a small sample of tissue from the liver for laboratory analysis.
More Information on Liver Biopsy: Liver, Pancreas & Biliary
- + Liver Cancer in Children
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- Liver Cancer in Children
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Also Known As: "Pediatric Liver Cancer, Pediatric Hepatocellular Carcinoma, Hepatocellular Cancer in Children, Juvenile Liver Cancer, Hepatoblastoma, Primary Liver Cancer in Children, Juvenile Hepatocellular Carcinoma"
Two types of cancer that form in the tissues of the liver. Hepatoblastoma usually occurs in children under three years old. Hepatocellular carcinoma can occur at any age.
More Information on Liver Cancer in Children: Pediatric Cancer
- + Liver Cancers
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- Liver Cancers
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Also Known As: "Hepatocellular Cancer, Hepatoma, Primary Liver Cancers, Hepatocellular Carcinoma"
Cancer of the liver, an organ in the abdomen that aids in digestion and regulates levels of vital substances in blood. While the most common cancer to occur worldwide, it is relatively uncommon in the U.S. It may result from hepatitis C infection.
More Information on Liver Cancers: Kidney, Liver & Urinary Cancer
- + Liver Disease
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- Liver Disease
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Also Known As: "Liver Disorder"
Any disease that affects the liver and its functions. These may refer to damage done to the liver by disorders that affect many systems in the body (e.g., lupus) as well as diseases specific to the liver (e.g., cirrhosis, fatty liver, hepatitis).
More Information on Liver Disease: Liver, Pancreas & Biliary
- + Liver Disorder
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