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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 - «A»:

  1. Acute lymphocytic leukemia Acute lymphocytic leukemia
    Acute lymphocytic leukemia: See: Acute lymphoblastic leukemia....
  2. Acute membranous gingivitis Acute membranous gingivitis
    Acute membranous gingivitis: This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead tissue from the mouth and throat due to the spread of infection from the gums. Certain germs (including fusiform bacteria and spirochetes) have been thought t...
  3. Acute mountain sickness (AMS) Acute mountain sickness (AMS)
    Acute mountain sickness (AMS): Acute mountain sickness (AMS) is the effect on the body of being in a high altitude environment. AMS is common at high altitudes, that is above 8,000 feet (2,440 meters). Three-quarters of people have mild symptoms of AMS over 10,000 feet (3,048 meters). The occu...
  4. Acute myelogenous leukemia Acute myelogenous leukemia
    Acute myelogenous leukemia: Abbreviated AML. Also called acute myeloid leukemia or acute nonlymphocytic leukemia (ANLL). A quickly progressive malignant disease in which there are too many immature blood-forming cells in the blood and bone marrow, the cells being specifically those destined to give ...
  5. Acute myeloid leukemia Acute myeloid leukemia
    Acute myeloid leukemia: A quickly progressive malignant disease in which there are too many immature blood-forming cells in the blood and bone marrow, the cells being specifically those destined to give rise to the granulocytes or monocytes, both types of white blood cells that fight infections. In ...
  6. Acute myocardial infarction Acute myocardial infarction
    Acute myocardial infarction: A heart attack. The term "myocardial infarction" focuses on the heart muscle, which is called the myocardium,and the changes that occur in it due to the sudden deprivation of circulating blood. This is usually caused by arteriosclerosis with narrowing of the coronary ar...
  7. Acute necrotizing ulcerative gingivitis (ANUG) Acute necrotizing ulcerative gingivitis (ANUG)
    Acute necrotizing ulcerative gingivitis (ANUG): This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead tissue from the mouth and throat due to the spread of infection from the gums. Certain germs (including fusiform bacteria and spirochetes)...
  8. Acute nonlymphocytic leukemia Acute nonlymphocytic leukemia
    Acute nonlymphocytic leukemia: Abbreviated ANLL. More commonly called acute myeloid leukemia (AML). A quickly progressive malignant disease in which there are too many immature blood-forming cells in the blood and bone marrow, the cells being specifically those destined to give rise to the granulocy...
  9. Acute otitis media Acute otitis media
    Acute otitis media: Inflammation of the middle ear in which there is fluid in the middle ear accompanied by signs or symptoms of ear infection: a bulging eardrum usually accompanied by pain; or a perforated eardrum, often with drainage of purulent material (pus). Acute otitis media is the most f...
  10. Acute pain Acute pain
    Acute pain: Pain that comes on quickly, can be severe, but lasts a relatively short time. As opposed to chronic pain....
  11. Acute pancreatitis Acute pancreatitis
    Acute pancreatitis: Sudden inflammation of the pancreas. The pancreas abruptly becomes inflamed and then gets better. Some people have more than one attack but recover fully after each one. The cause of acute pancreatitis is most often alcohol abuse or gallstones. Other causes include use of presc...
  12. Acute phase protein Acute phase protein
    Acute phase protein: See: Acute-phase protein....
  13. Acute phase reactant Acute phase reactant
    Acute phase reactant: See: Acute-phase protein....
  14. Acute promyelocytic leukemia Acute promyelocytic leukemia
    Acute promyelocytic leukemia: Commonly called APL, a malignancy of the bone marrow in which there is a deficiency of mature blood cells in the myeloid line of cells and an excess of immature cells called promyelocytes. APL is due to a translocation (an exchange of chromosome material) between chromo...
  15. Acute radiation syndrome Acute radiation syndrome
    Acute radiation syndrome: An acute illness caused by a dose greater than 50 rads of penetrating radiation to most or all of the body in a short time, usually a matter of minutes. Examples of persons who suffered from acute radiation syndrome (ARS) are the survivors of the Hiroshima and Nagasaki atom...