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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «O»:

  1. OAE OAE
    OAE (Otoacoustic emission test) : OAE is an abbreviation for "otoacoustic emission test" which measures an acoustic response that is produced by the inner ear (cochlea), which in essence bounces back out of the ear in response to a sound stimulus. The test is performed by placing a small probe t...
  2. Oat cell cancer Oat cell cancer
    Oat cell cancer: A type of lung cancer in which the cells are small, round and resemble oats. Also called small cell lung cancer. ...
  3. Oath of Maimonides Oath of Maimonides
    Oath of Maimonides: A prayer that is said to have been written by the 12th-century physician-philosopher Moses Maimonides. Like the famous oath of Hippocrates, the prayer of Maimonides is often recited by new medical graduates. This prayer, which is also called the "Prayer of Moses Maimonides"...
  4. OB OB
    OB: Abbreviation for obstetrician or for obstetrics, the art and science of managing pregnancy, labor and the puerperium, the time immediately after delivery....
  5. OB/GYN OB/GYN
    OB/GYN: A commonly used abbreviation. OB is short for obstetrics or for an obstetrician, a physician who delivers babies. GYN is short for gynecology or for a gynecologist, a physician who specializes in treating diseases of the female reproductive organs. The word "gynecology" comes from the G...
  6. Obese Obese
    Obese: Well above ones normal weight. A person has traditionally been considered to be obese if they are more than 20 percent over their ideal weight. That ideal weight must take into account the person's height, age, sex, and build. Obesity has been more precisely defined by the National Institutes...
  7. Obesity Obesity
    Obesity: The state of being well above one's normal weight. A person has traditionally been considered to be obese if they are more than 20 percent over their ideal weight. That ideal weight must take into account the person's height, age, sex, and build. Obesity has been more precisely defined by t...
  8. Obesity, endogenous Obesity, endogenous
    Obesity, endogenous: Overweight caused by malfunction of the hormonal or metabolic system....
  9. Obesity, exogenous Obesity, exogenous
    Obesity, exogenous: Overweight caused by consuming more food than the person's activity level warrants, leading to increased fat storage....
  10. Obesity, gynecoid Obesity, gynecoid
    Obesity, gynecoid: A fat distribution generally characteristic of that of a woman, around the hips, etc. Gynecoid means like a woman, womanly, female. The word gynecoid comes from the Greek gyno, gynaikos meaning woman. Gyneco-, gyno-, gyn-, and gyne- are combining forms meaning woman. For example...
  11. Obesity-related disease Obesity-related disease
    Obesity-related disease: Any disease for which obesity is a significant risk factor. Obesity increases the risk of developing a very large number of diseases, including: Type 2 (adult-onset) diabetes High blood pressure (hypertension) Stroke (cerebrovascular accident or CVA) Heart attack (...
  12. Objective Objective
    Objective: In a microscope, the objective (also called the objective lens) is the lens nearest to the object being examined whereas the lens closest to the eye is termed the ocular (the eyepiece). The light microscope today is usually binocular (with one ocular for each eye) and has a turret bearing...
  13. OBS OBS
    OBS: 1. Organic brain syndrome. 2. Obstetricians, in the plural....
  14. Observer variation Observer variation
    Observer variation: Failure by the observer to measure accurately, resulting in error. Observer variation may be due to the observer's missing a measurement, making an incorrect measurement, or misinterpreting data. Inter-observer variation is the amount of variation between the results obtained ...
  15. Obsessive-compulsive disorder Obsessive-compulsive disorder
    Obsessive-compulsive disorder: A psychiatric disorder characterized by obsessive thoughts and compulsive actions, such as cleaning, checking, counting, or hoarding. Obsessive-compulsive disorder (OCD), one of the anxiety disorders, is a potentially disabling condition that can persist throughout a ...