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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 - «O»:

  1. OSA (obstructive sleep apnea) OSA (obstructive sleep apnea)
    OSA (obstructive sleep apnea) : Abbreviation for obstructive sleep apnea (and also for the Optical Society of America)....
  2. Oscillating vision Oscillating vision
    Oscillating vision: See: Oscillopsia....
  3. Oscillopsia Oscillopsia
    Oscillopsia: Oscillating vision. Swinging vision. In oscillopsia, objects seem to swing, move back and forth, jerk, or wiggle. A classical language hybrid derived from the Latin oscillo, to swing, + the Greek opsis, vision....
  4. Oscitation Oscitation
    Oscitation: The act of yawning, the involuntary opening of the mouth with respiration, breathing first inward, then outward. Yawning is often caused by suggestion. Repeated yawning is commonly a sign of drowsiness. It can also sometimes be a sign of depression....
  5. Osgood-Schlatter disease Osgood-Schlatter disease
    Osgood-Schlatter disease: A condition involving inflammation and sometimes tearing of ligaments within the knee and lower leg. Treatment is by rest, casting if necessary, and sometimes surgery. Osgood-Schlatter disease is caused by repetitive stress or tension on a part of the growth area of the u...
  6. OSHA OSHA
    OSHA: The Occupational Safety and Health Administration, an agency of the US government under the Department of Labor with the responsibility of ensuring safety at work and a healthful work environment. OSHA's mission is to prevent work-related injuries, illnesses and deaths. Since OSHA was create...
  7. Osler's nodes Osler's nodes
    Osler's nodes: These are small (the size of split peas), tender, transient nodules in the pads of fingers and toes and the palms and soles. They are a highly diagnostic sign of bacterial infection of the heart (subacute bacterial endocarditis). Named for the Canadian-born physician Sir William Osle...
  8. Osler, Sir William Osler, Sir William
    Osler, Sir William: Renowned Canadian physician (1849-1919) who taught at McGill University, the University of Pennsylvania, Johns Hopkins and Oxford University and who first described many medical phenomena now named after him such as the Osler-Rendu-Weber syndrome and Osler's nodes as well as many...
  9. Osler-Rendu-Weber syndrome Osler-Rendu-Weber syndrome
    Osler-Rendu-Weber syndrome: See: Hereditary hemorrhagic telangiectasia....
  10. Osmolar Osmolar
    Osmolar: In biochemistry, referring to the osmolarity, the concentration of osmotically active particles in solution, which may be quantitatively expressed in osmoles of solute per liter of solution....
  11. Osmolarity Osmolarity
    Osmolarity: The concentration of osmotically active particles in solution, which may be quantitatively expressed in osmoles of solute per liter of solution. See also: Plasma osmolarity....
  12. Osmolarity, plasma Osmolarity, plasma
    Osmolarity, plasma: See: Plasma osmolarity....
  13. Osmole Osmole
    Osmole: In biochemistry, the amount of a substance that dissociates in solution to form one mole of osmotically active particles....
  14. Osseous Osseous
    Osseous: Having to do with the bone, consisting of bone, or resembling bone. From "os" which is a synonym for "bone." The Latin word "os" means "bone" as does the related Greek word "osteon." ...
  15. Ossicle Ossicle
    Ossicle: Any small bone, such as the tiny bones within the human ear....