Dyskinesia
Dyskinesia: The presence of involuntary movements, such as the choreaform movements seen in some cases of rheumatic fever or the characteristic movements of tardive dyskinesia. Some forms of dyskinesia are side effects of certain medications, particularly L-dopa and, in the case of tardive dyskinesia, antipsychotic drugs.
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- Dyslexia
A specific developmental disability that alters the way the brain processes written material. Because dyslexia is due to a defect in the brain’s processing of graphic symbols, it is thought of primarily as a learning disability. The effects of dyslexia vary from person to person. The only common trait among people with dyslexia is that […]
- Dyslipidemia
Dyslipidemia: A disorder of lipoprotein metabolism, including lipoprotein overproduction or deficiency. Dyslipidemias may be manifested by elevation of the total cholesterol, the “bad” low-density lipoprotein (LDL) cholesterol and the triglyceride concentrations, and a decrease in the “good” high-density lipoprotein (HDL) cholesterol concentration in the blood. Dyslipidemia comes under consideration in many situations including diabetes, a […]
- Dysmetabolic syndrome X
Dysmetabolic syndrome X: A constellation of metabolic abnormalities in serum or plasma insulin/glucose level ratios, lipids (triglycerides, LDL cholesterol subtypes and/or HDL cholesterol), uric acid levels, coagulation factor imbalances and vascular physiology. (This is the official definition by the American Association of Clinical Endocrinologists of this condition which is also known as the metabolic syndrome […]
- Dysmorphic feature
Dysmorphic feature: A body characteristic that is abnormally formed. A malformed ear, for example, is a dysmorphic feature.
- Dysmorphology
Dysmorphology: The study of human congenital malformations (birth defects), particularly those affecting the anatomy (morphology) of the individual.