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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 - «M»:

  1. Macule Macule
    Macule: A small localized change in the color of skin that is neither raised (elevated) nor depressed. Macules are never large. They are basically little spots or blemishes in the skin. They are entirely flat and can only be appreciated by visual inspection; they cannot be seen from the side, just f...
  2. Macules Macules
    Macules: Small circumscribed changes in the color of skin that are neither raised (elevated) nor depressed. Macules are never large. They are basically little spots or blemishes in the skin. They are entirely flat and can only be appreciated by visual inspection; they cannot be seen from the side. ...
  3. Maculopathy Maculopathy
    Maculopathy: Any pathologic condition or disease of the macula, the small spot in the retina where vision is keenest. Also called macular retinopathy....
  4. Maculopathy, cellophane Maculopathy, cellophane
    Maculopathy, cellophane: See: Macular pucker....
  5. Mad deer disease Mad deer disease
    Mad deer disease: See Chronic wasting disease....
  6. Madelung disease Madelung disease
    Madelung disease: A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper trunk, arms and legs. The condition is thought to be genetic although its exact mode of inheritance is uncertain; it may be a mitochondrial DNA disease. It frequently appea...
  7. MADH4 MADH4
    MADH4: A tumor suppressor gene (also known as SMAD4/DPC4) located on chromosome 18 in band 18q21 1. About 15% to 20% of cases of juvenile polyposis are due to germline mutations in MADH4. About 90% of pancreatic carcinomas show homozgous loss (loss of both copies) of MADH4....
  8. Mag sulfate Mag sulfate
    Mag sulfate: Informal shortening of magnesium sulfate....
  9. Magendie, foramen of Magendie, foramen of
    Magendie, foramen of: An opening from the fourth ventricle, which is one in a system of four communicating cavities called ventricles within the brain that are continuous with the central canal of the spinal cord. The four ventricles consist of the two lateral ventricles, the third ventricle and the...
  10. Maggot Maggot
    Maggot: A soft-bodied wormlike larva of a fly that lays its eggs in living or especially in decaying tissues. The living or rotting material furnishes heat for the hatching of the eggs and food for the newly hatched maggots. Certain blowfly maggots -- notably, those of the blackbottle fly (Phormia ...
  11. Magic bullet Magic bullet
    Magic bullet: Or, sometimes, silver bullet. 1. The perfect drug to cure a disease with no danger of side effects. The term magic bullet was first used in this sense by the German scientist Paul Ehrlich to describe antibody and, later, the drug salvarsan that he created to treat syphilis. 2. In gen...
  12. Magnesia Magnesia
    Magnesia: Named after a town in present day Turkey where an ore containing magnesium carbonate was mined. Milk of Magnesia, the laxative, is magnesium hydroxide....
  13. Magnesium Magnesium
    Magnesium: A mineral involved in many processes in the body including nerve signaling, the building of healthy bones, and normal muscle contraction. About 350 enzymes are known to depend on magnesium. Magnesium is contained in all unprocessed foods. High concentrations of magnesium are contained in...
  14. Magnesium deficiency Magnesium deficiency
    Magnesium deficiency: Can occur due to inadequate intake or impaired intestinal absorption of magnesium. Low magnesium (hypomagnesemia) is often associated with low calcium (hypocalcemia) and low potassium (hypokalemia). Deficiency of magnesium causes increased irritability of the nervous system wit...
  15. Magnesium excess Magnesium excess
    Magnesium excess: Persons with impaired kidney function should be especially careful about their magnesium intake because they can accumulate magnesium, a dangerous situation. According to the National Academy of Sciences, the Recommended Dietary Allowances of magnesium are 420 milligrams per day ...