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Drugs and diseases reference index

Drugs and diseases reference index
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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «H»:

  1. Heebie-jeebies Heebie-jeebies
    Heebie-jeebies: Extreme nervousness. A term coined by the America cartoonist Billy DeBeck (1890-1942) in his comic strip Barney Google....
  2. Heel bone Heel bone
    Heel bone: Formally called the calcaneus. A more or less rectangular bone at the back of the foot. The words "calcaneus" and "calcium" come from the same source. ...
  3. Heel prick Heel prick
    Heel prick: A procedure in which the heel is pricked and then a small amount of the blood is collected, usually with a narrow-gauge ("capillary") glass tube or a filter paper. The heel prick is now the most common way to draw blood from newborns. Blood from a heel prick may be used to do a number o...
  4. Heel spur Heel spur
    Heel spur: A bony spur projecting from the back or underside of the heel that often makes walking painful. Spurs at the back of the heel are associated with inflammation of the Achilles tendon (Achilles tendinitis) and cause tenderness and pain at the back of the heel that is made worse by pushi...
  5. Heel stick Heel stick
    Heel stick: A procedure in which a newborn baby's heel is pricked and then a small amount of the blood is collected, usually with a narrow-gauge ("capillary") glass tube or a filter paper. The heel stick is now the most common way to draw blood from newborns. Blood from a heel stick is used to do th...
  6. Height growth Height growth
    Height growth: See: Normal growth....
  7. Heights, fear of Heights, fear of
    Heights, fear of: An irrational unreasonable fear of heights is called acrophobia. From the Greek "acron", height + "phobos", fear....
  8. Heimlich maneuver Heimlich maneuver
    Heimlich maneuver: An emergency treatment for obstruction of the airway in adults. It may be needed when someone chokes on a piece of food that has "gone down the wrong way." To perform the Heimlich maneuver, stand behind the victim, wrap your arms around their waist, makes a fist with one hand an...
  9. Hejama Hejama
    Hejama: Alternate Arabic term for cupping. The preferred Arabic term for this practice is al-hijamah. See: Cupping....
  10. HeLa cell HeLa cell
    HeLa cell: One of the cells grown from the cervical cancer of a young African-American woman, Henrietta Lacks. HeLa cells were the first human cells to be continuously grown in culture. The cells were first cultured in February 1951 by Drs. George and Margaret Gey at Johns Hopkins in Baltimore. Th...
  11. Helical CAT scan Helical CAT scan
    Helical CAT scan: A conventional computerized axial tomography scan (CAT scan or CT scan) is an x-ray procedure which combines many x-ray images with the aid of a computer to generate cross-sectional views and, if needed, three-dimensional images of the internal organs and structures of the body. A ...
  12. Helicase Helicase
    Helicase: An enzyme that unwinds double-strand DNA into two single DNA strands....
  13. Helicobacter heilmannii Helicobacter heilmannii
    Helicobacter heilmannii: A bacteria that infects most cats, dogs and pigs and, in them, causes stomach inflammation (gastritis). H. heilmannii is not usually transmitted from animals to people. But people who have been infected by H. heilmannii are known to have developed duodenal and gastric ulce...
  14. Helicobacter pylori Helicobacter pylori
    Helicobacter pylori: Bacteria that cause stomach inflammation (gastritis) and ulcers in the stomach. This bacteria is the most common cause of ulcers worldwide. It is often referred to as H. pylori. H. pylori infection is usually acquired from contaminated food and water and through person to p...
  15. Helix, alpha Helix, alpha
    Helix, alpha: See: Alpha helix....