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.
"X Linked Opitz Syndrome" is more commonly referred to as "Opitz Frias Syndrome" in the medical community. Opitz Frias Syndrome
Also Known As: "Hypertelorism Hypospadias Syndrome, Oculo Genito Laryngeal Syndrome, XLOS, Hypospadias Dysphagia Syndrome, Telecanthus Hypospadias Syndrome"
A type of multiple congenital anomaly/mental retardation (MCA/MR) syndrome that may include one or more heart conditions, such as septal defects, heart murmurs, patent ductus arteriosus, tetralogy of Fallot, coarctation of the aorta and others. More Information on Opitz Frias Syndrome: Pediatric Heart
"X Linked Spinal and Bulbar Muscular Atrophy" is more commonly referred to as "Kennedy's Disease" in the medical community. Kennedy's Disease
Also Known As: "Bulbospinal Muscular Atrophy"
An inherited motor neuron disease that is among a group of disorders called spinal muscular atrophy. It affects males, and onset of the disease is usually between ages 20 and 40. First symptoms include tremor of the outstretched hands. More Information on Kennedy's Disease: Movement Disorders
Also Known As: "Roentgenogram, Roentgenography, Radiograph, Roentgen Rays"
An image of a body part, organ or bodily system on film paper or fluorescent screens. It is produced by using low doses of radiation. More Information on X ray: Imaging Tests
An image of a body part, organ or system on film paper or fluorescent screens. It is produced by using low doses of radiation. X-ray may be used to evaluate sinus infections or to check the lungs for signs of asthma. More Information on X ray & Asthma: Asthma Basics
An image of a body part, organ or system on film paper or fluorescent screens. It is produced by using low doses of radiation. X-rays are often used to help detect and diagnose cancers of the lungs, intestines, stomach, kidneys and breasts. More Information on X ray & Cancer: Cancer Imaging Tests
An image of a body part, organ or system on film paper or fluorescent screens. It is produced by using low doses of radiation. X-rays of the heart and its various structures are referred to as chest x-rays. More Information on X ray & Heart Disease: Heart Imaging & Rhythm Tests
An image of a body part, organ or system on film paper or fluorescent screens. It is produced by using low doses of radiation. X-rays may be used to diagnose neurological conditions such as Alzheimer’s disease, dementia and epilepsy. More Information on X ray & Neurological Disorders: Brain & Nerve Tests
An image of a body part, organ or system on film paper or fluorescent screens. It is produced by using low doses of radiation. X–rays can be used to diagnose pain-related conditions such as bone chips and fractures and herniated discs. More Information on X ray & Pain Disorders: Pain Imaging Tests
An image of a body part, organ or system on film paper or fluorescent screens. It is produced by using low doses of radiation. Women who are or may be pregnant are advised to avoid x-rays. More Information on X ray & Women: ObGyn Imaging Tests
"X Ray Therapy" is more commonly referred to as "Radiation Therapy" in the medical community. Radiation Therapy
Also Known As: "Irradiation, External Radiation, Radiotherapy, External Beam Radiation"
Form of treatment using high-energy rays (e.g., x-rays), to kill or shrink cancer cells. It may be used to shrink cancer prior to surgery, kill any remaining cancer cells after surgery or as the main treatment. More Information on Radiation Therapy: Chemo & Radiation Therapy
"X Rays & Pregnancy" is more commonly referred to as "Radiation & Pregnancy" in the medical community. Radiation & Pregnancy
Risks to a fetus from mild exposure to radiation (such as from an x-ray or other diagnostic test) are minimal. Exposure to large amounts of radiation during pregnancy may contribute to miscarriage and birth defects and should be avoided. More Information on Radiation & Pregnancy: Pregnancy Management
Also Known As: "XP, Melanosis Lenticularis, Kaposi Disease"
A rare degenerative disease involving sensitivity to light that develops in the first few years of life. The skin becomes dry, rough and wrinkled. It may also involve skin discoloration and growths. Symptoms are treated and sunlight must be avoided. More Information on Xeroderma Pigmentosum: Skin & Hair Basics
Abnormal dryness of membranes of the eye due to vitamin A deficiency. Night blindness is the first symptom, and the condition usually becomes progressively worse. More Information on Xerophthalmia: Vitamins
"Xerosis" is more commonly referred to as "Dry Skin" in the medical community. Dry Skin
Abnormally dry skin is usually caused by environmental factors, but it may also be part of a disease process. More Information on Dry Skin: Skin & Hair Basics
"Xerostomia" is more commonly referred to as "Dry Mouth" in the medical community. Dry Mouth
Abnormal dryness of the mouth due to a decrease in the production of saliva. It may be caused by a number of conditions such as diabetes, kidney failure or rheumatoid arthritis. More Information on Dry Mouth: Oral Signs & Symptoms
"XLOS" is more commonly referred to as "Opitz Frias Syndrome" in the medical community. Opitz Frias Syndrome
Also Known As: "Hypertelorism Hypospadias Syndrome, Oculo Genito Laryngeal Syndrome, Hypospadias Dysphagia Syndrome, Telecanthus Hypospadias Syndrome, X Linked Opitz Syndrome"
A type of multiple congenital anomaly/mental retardation (MCA/MR) syndrome that may include one or more heart conditions, such as septal defects, heart murmurs, patent ductus arteriosus, tetralogy of Fallot, coarctation of the aorta and others. More Information on Opitz Frias Syndrome: Pediatric Heart
Also Known As: "Melanosis Lenticularis, Kaposi Disease"
A rare degenerative disease involving sensitivity to light that develops in the first few years of life. The skin becomes dry, rough and wrinkled. It may also involve skin discoloration and growths. Symptoms are treated and sunlight must be avoided. More Information on XP: Skin & Hair Basics
A nutritive sweetener used as a substitute for sugar in some diabetic diets. Classified broadly as a carbohydrate and more narrowly as a polyol. More Information on Xylitol: Carbs & Sugars
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