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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «P»:

  1. Pharmacy, compounding Pharmacy, compounding
    Pharmacy, compounding: A facility that both makes and sells prescription drugs. A compounding pharmacy can often concoct drug formulas that are specially tailored to patients: for example, liquid versions of medications normally available only in pill form, for patients who cannot swallow pills...
  2. Pharyngeal Pharyngeal
    Pharyngeal: Having to do with the throat (pharynx)....
  3. Pharyngitis Pharyngitis
    Pharyngitis: Inflammation of the pharynx (the hollow tube in the back of the throat about 5 inches long that starts behind the nose and ends at the top of the trachea). Pharyngitis is popularly known as a sore throat. Most sore throats are viral and will not respond to antibiotics. Bacterial causes ...
  4. Pharyngoesophageal diverticulum Pharyngoesophageal diverticulum
    Pharyngoesophageal diverticulum: See: Zenker diverticulum....
  5. Pharynx Pharynx
    Pharynx: The hollow tube about 5 inches long that starts behind the nose and ends at the top of the trachea (windpipe) and esophagus (the tube that goes to the stomach)....
  6. Phase, resting Phase, resting
    Phase, resting: More appropriately called interphase. The interval in the cell cycle between two cell divisions when the individual chromosomes cannot be distinguished, interphase was once thought to be the resting phase but it is far from a time of rest for the cell. It is the time when DNA is repl...
  7. Phe Phe
    Phe: Phenylalanine. See also: Amino acid symbols....
  8. Phen-Fen Phen-Fen
    Phen-Fen: The once-popular diet-drug combination of fenfluramine and phentermine that, amidst much media attention, was taken off the market because of concern for heart valve damage. See: Fenfluramine....
  9. Phenocopy Phenocopy
    Phenocopy: 1. An environmental condition that imitates (copies) one produced by a gene. 2.The person who has an environmentally-produced condition that mimics one produced by a gene....
  10. Phenol Phenol
    Phenol: 1. A poisonous corrosive compound obtained by the distillation of coal tar that, in dilute solution, is an antimicrobial agent. Also called carbolic acid. 2. A generic term for any compound similar in structure to phenol (an organic compound with one or more hydroxyl groups attached to an ar...
  11. Phenolphthalein Phenolphthalein
    Phenolphthalein: A compound used as a laboratory reagent and acid-base indicator and also used in over-the-counter (OTC) laxative preparations. Phenolphthalein may be a carcinogen (cancer-causing agent). Feeding of phenolphthalein caused cancer in multiple organs in multiple species of experimental...
  12. Phenomenon, Babinski Phenomenon, Babinski
    Babinski phenomenon: A neurologic reflex that constitutes an important medical examination based upon what the big toe does when the sole of the foot is stroked. If the big toe goes up, that may mean trouble. The Babinski reflex is obtained by stimulating the external portion (the outside) of th...
  13. Phenomenon, knee Phenomenon, knee
    Phenomenon, knee: See: Knee jerk....
  14. Phenomenon, phantom limb Phenomenon, phantom limb
    Phenomenon, phantom limb: See Phantom limb syndrome....
  15. Phenomenon, Raynaud's Phenomenon, Raynaud's
    Phenomenon, Raynaud's: A condition resulting in discoloration of fingers and/or toes when a person is exposed to changes in temperature (cold or hot) or emotional events. The skin discoloration occurs because an abnormal spasm of the of Raynaud's phenomenon. Raynaud's phenomenon occurs with a n...