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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «D»:

  1. Delirium Delirium
    Delirium: A sudden state of severe confusion and rapid changes in brain function, sometimes associated with hallucinations and hyperactivity, in which the patient is inaccessible to normal contact. Symptoms may include inability to concentrate and disorganized thinking evidenced by rambling, irrele...
  2. Delirium tremens Delirium tremens
    Delirium tremens: A neurological symptom of alcohol withdrawal seen in chronic alcoholism, with includes symptoms of psychosis. These may include uncontrollable trembling, hallucinations, severe anxiety, sweating, and sudden feelings of terror. Delirium tremens can be both frightening and, in...
  3. Delivery, breech Delivery, breech
    Delivery, breech: Delivery in which the buttocks present before the head....
  4. Delivery, footling Delivery, footling
    Delivery, footling: There are single-footling or double-footling deliveries depending upon whether the presenting part of the baby at delivery is just one foot or both feet....
  5. Delivery, vertex Delivery, vertex
    Delivery, vertex: In a vertex delivery, the top of the baby's head comes first. The vertex here refers to the top of the head. The word "vertex" in Latin means a "whirlpool, whirlwind, top of the mountain, or the top of the head." Why "top of the head"? Because the hairs on the top of the head often...
  6. della Robbia della Robbia
    della Robbia: The infant in swaddling, today the symbol of pediatrics, sculpted by the Florentine artist Andrea della Robbia (1437-1528)....
  7. Delta cell, pancreatic Delta cell, pancreatic
    Delta cell, pancreatic: A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the pancreas, the delta cells are located in areas called the islets of Langerhans. The delta cells make somatostatin, a hormone that inhibits the release of numerous ho...
  8. Delta-storage pool disease Delta-storage pool disease
    Delta-storage pool disease: See: Hermansky-Pudlak syndrome....
  9. Deltoid Deltoid
    Deltoid: An adjective and a noun. Adjective: In the shape of delta, the fourth letter in the Greek alphabet. A capital delta is a triangle. Hence, deltoid means triangular in configuration. Noun: The large muscle, roughly triangular in shape, that stretches from the clavicle (collarbone) to the hum...
  10. Delusion Delusion
    Delusion: A false personal belief that is not subject to reason or contradictory evidence and is not explained by a person's usual cultural and religious concepts (so that, for example, it is not an article of faith). A delusion may be firmly maintained in the face of incontrovertible evidence that ...
  11. Delusional jealousy Delusional jealousy
    Delusional jealousy: See: Othello syndrome....
  12. Delusional parasitosis Delusional parasitosis
    Delusional parasitosis: A mistaken belief that one is infested by parasites such as mites, lice, fleas, spiders, worms, or other organisms. See also: Parasitosis....
  13. Demarcation Demarcation
    Demarcation: A setting of limits; a boundary; marking the limits of, delimiting; setting apart, separating. The word "demarcation" is used in medicine mainly in the sense of determining and marking off boundaries. For example, the surface demarcation in respect to damaged tissue can refer to the bou...
  14. Dementia Dementia
    Dementia: Significant loss of intellectual abilities such as memory capacity, severe enough to interfere with social or occupational functioning. Criteria for the diagnosis of dementia include impairment of attention, orientation, memory, judgment, language, motor and spatial skills, and functi...
  15. Dementia complex, AIDS Dementia complex, AIDS
    Dementia complex, AIDS: See: AIDS dementia complex....