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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «H»:

  1. HEOD HEOD
    HEOD: The abbreviation for the scientific name of the insecticide dieldrin. (The scientific name for dieldrin [1,2,3,4,10,10-hexachloro-6,7-epoxy-1,4,4á,5,6,7,8,8á-octahydro-1,4-endo,exo-5,8-dimethanonaphthalene] is not easily recited or recalled.) See: Aldrin and dieldrin....
  2. HEPA HEPA
    HEPA: Acronym that stands for High-Efficiency Particulate Air and for High-Efficiency Particulate Arrestor. HEPA filters are used for isolation and immunocompromise units, operating rooms, removal of allergens from the air (for hay fever, asthma, etc.) and other applications where maximum reduction...
  3. Hepar Hepar
    Hepar: The liver or a preparation made from it. The term hepar is not often used today. It is a direct borrowing of the Greek hepar, liver....
  4. Heparin Heparin
    Heparin: An anticoagulant (anti-clotting) medication. Heparin is useful in preventing thromboembolic complications (clots that travel from their site of origin through the blood stream to clog up another vessel). Heparin is also used in the early treatment of blood clots in the lungs (pulmonary embo...
  5. Heparin, low-weight Heparin, low-weight
    Heparin, low-weight: A newer form of the drug heparin (brand name: Lovenox, Fragmin) that has a lower molecular weight than normal heparin. Fewer blood tests are needed, and it may be . superior to regular (unfractionated) heparin in cases of unstable angina and other cardiac diseases. See also...
  6. Heparin-induced thrombocytopenia Heparin-induced thrombocytopenia
    Heparin-induced thrombocytopenia: Low blood platelet count as a result of the medication heparin. Heparin is used to treat and prevent abnormal blood clotting. Heparin-induced thrombocytopenia can be mild or serious and fatal....
  7. Hepat- Hepat-
    Hepat-: Prefix or combining form used before a vowel to refer to the liver. From the Greek hepar, liver....
  8. Hepatic Hepatic
    Hepatic: Having to do with the liver. Pronounced hi-'pa-tik. From the Latin hepaticus derived from the Greek hepar meaning (not too surprisingly) the liver....
  9. Hepatic artery Hepatic artery
    Hepatic artery: An artery that distributes blood to the liver, pancreas and gallbladder as well as to the stomach and duodenal portion of the small intestine....
  10. Hepatic biopsy Hepatic biopsy
    Hepatic biopsy: See: Liver biopsy....
  11. Hepatic duct Hepatic duct
    Hepatic duct: A duct that carries bile from the liver into the common bile duct which conveys it to the duodenum (the upper part of the small intestine). There are three hepatic ducts: the right hepatic duct (which drains bile from the right half of the liver); the left hepatic duct (which drains bi...
  12. Hepatic duct, common Hepatic duct, common
    Hepatic duct, common: See: Common hepatic duct....
  13. Hepatic duct, left Hepatic duct, left
    Hepatic duct, left: See: Left hepatic duct....
  14. Hepatic duct, right Hepatic duct, right
    Hepatic duct, right: See: Right hepatic duct....
  15. Hepatic ductular hypoplasia, syndromatic Hepatic ductular hypoplasia, syndromatic
    Hepatic ductular hypoplasia, syndromatic: Also called Alagille syndrome or arteriohepatic dysplasia, this is a genetic disorder characterized by jaundice in the newborn period, liver disease with cholestasis, peripheral pulmonic stenosis and unusual face. Children with Alagille syndrome usually pre...