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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «D»:

  1. Distal Distal
    Distal: The more (or most) distant of two (or more) things. For example, the distal end of the femur (the thigh bone) is the end down by the knee; the end more distant from the torso. The distal bile duct is the far end of the cystic duct, the end away from the gallbladder. And the distal lymph node...
  2. Distance healing Distance healing
    Distance healing: Healing in which people seek to help patients simply with the power of the mind. Distance healing can include anything from therapeutic touch -- in which practitioners, without touching their patients, try to alter their energy fields -- to praying for people who are ill. Distance...
  3. Distention Distention
    Distention: The state of being distended, enlarged, swollen from internal pressure. For example, on inhalation there is distention of the lungs due to the increased air pressure within the lungs. The word "distention" comes from a Latin root "tendere," to extend. The word "tendon" comes from the sa...
  4. Distichiasis Distichiasis
    Distichiasis: Double rows of eyelashes. The extra eyelashes grow from glands called the Meibomian glands and may protrude into the cornea, producing severe corneal abrasions....
  5. Disto- Disto-
    Disto-: Distal....
  6. Diuresis Diuresis
    Diuresis: The increased formation of urine by the kidney. See diuretic for more detail....
  7. Diuretic Diuretic
    Diuretic: Anything that promotes the formation of urine by the kidney. (The word "diuretic" comes from a combination of the Greek "dia-", thoroughly + "ourein", to urinate = to urinate thoroughly). Diuresis may be due to a huge number of causes including metabolic conditions such as diabetes mellit...
  8. Diurnal Diurnal
    Diurnal: Occurring in the daytime. A patient may have a diurnal fever rather than a nocturnal one. Diurnal also can refer to recurring every day. Pronounced die-URN-ul, it comes from the Latin "dies" for day, the root of many words including circadian (about a day, about 24 hours), quotidian (...
  9. Diverticula Diverticula
    Diverticula: The plural of diverticulum. As a person ages, pressure within the large intestine (colon) causes pockets of tissue (sacs) that push out from the colon walls. A small bulging sac pushing outward from the colon wall is a diverticulum. Diverticula can occur throughout the colon but are mos...
  10. Diverticulitis Diverticulitis
    Diverticulitis: Inflammation of the diverticula (small outpouchings) along the wall of the colon, the large intestine. (One outpouching is a diverticulum; two or more are diverticula). For diverticulitis to occur, there must be diverticulosis, the presence of diverticula. Diverticulosis can occ...
  11. Diverticulitis, bleeding from Diverticulitis, bleeding from
    Diverticulitis, bleeding from: Diverticular bleeding typically occurs intermittently over several days. Colonoscopy is usually performed to confirm the diagnosis and exclude bleeding from other causes. Thermal probes cannot be employed to stop active diverticular bleeding. Therefore, surgical remova...
  12. Diverticulitis, treatment of acute Diverticulitis, treatment of acute
    Diverticulitis, treatment of acute: Antibiotics are usually needed. Oral antibiotics are sufficient when symptoms are mild. Liquid or low fiber foods are advised during acute diverticulitis attacks. In severe diverticulitis with high fever and pain, patients are hospitalized and given intravenous a...
  13. Diverticulosis Diverticulosis
    Diverticulosis: Diverticulosis is the condition of having diverticula, small outpouchings from the large intestine, the colon. (One outpouching is a diverticulum; two or more are diverticula). Diverticulosis can occur anywhere in the colon but it is most typical in the sigmoid colon, the S-shap...
  14. Diverticulosis/diverticulitis and fiber Diverticulosis/diverticulitis and fiber
    Diverticulosis/diverticulitis and fiber: High fiber diets help delay the progression of diverticulosis and, at least, reduce the bouts of diverticulitis. ...
  15. Diverticulum Diverticulum
    Diverticulum: A small bulging sac pushing outward from the colon wall is a diverticulum. As a person ages, pressure within the large intestine (colon) causes pockets of tissue (sacs) that push out from the colon walls. The plural is diverticula. Diverticula can occur throughout the colon but are mos...