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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «P»:

  1. PX PX
    PX: Medical abbreviation for prognosis....
  2. PXE PXE
    PXE: See pseudoxanthoma elasticum....
  3. Pyarthrosis Pyarthrosis
    Pyarthrosis: Infectious arthritis. Pyarthrosis is typically caused by a bacterial infection in the joint. Diagnosis is made by analysis of fluid that has been removed from the joint, including microscopic examination and culture. Pyarthrosis requires drainage of the joint and antibiotics, usually in...
  4. Pycnodysostosis Pycnodysostosis
    Pycnodysostosis: An inherited disorder of the bone that causes short stature and abnormally dense brittle bones. Due to a defect in an enzyme: cathepsin K. The French artist Toulouse-Lautrec is thought to have pycnodysostosis. Also spelled pyknodysostosis with a "k". ...
  5. Pyelo Pyelo
    Pyelo: Short for pyelonephritis, which is bacterial infection of the kidney. Pyelonephritis can be acute (sudden) or chronic (slow, subtle, and stubborn). It is most often due to the ascent of bacteria from the bladder up the ureters to infect the kidneys. The symptoms of pyelonephritis include...
  6. Pyelogram Pyelogram
    Pyelogram: X-ray study of the kidney especially showing the pelvis (urine-collecting basin) of the kidney and the ureter. ...
  7. Pyelonephritis Pyelonephritis
    Pyelonephritis: Bacterial infection of the kidney. Pyelonephritis can be acute (sudden) or chronic (slow, subtle, and stubborn). It is most often due to the ascent of bacteria from the bladder up the ureters to infect the kidneys. The symptoms of pyelonephritis include flank (side) pain, fever, ...
  8. Pyelonephritis in children Pyelonephritis in children
    Pyelonephritis in children: kidney infection in children. See: Urinary tract infection in children....
  9. Pyloric stenosis Pyloric stenosis
    Pyloric stenosis: Narrowing (stenosis) of the outlet of the stomach so that food cannot pass easily from it into the duodenum, resulting in feeding problems and projectile vomiting. The obstruction can be corrected by a relatively simple surgical procedure. ...
  10. Pylorus Pylorus
    Pylorus: The outlet of the stomach. ...
  11. Pyoderma gangrenosum Pyoderma gangrenosum
    Pyoderma gangrenosum: An ulcerating condition of the skin leading to hollowed-out areas (ulcers) with heaped-up borders and a typical appearance. The lesion(s) usually begin as soft raised nodules on the skin which proceed to ulcerate. The ulcers enlarge and the skin at the edge becomes purple-red....
  12. Pyridoxine Pyridoxine
    Pyridoxine: One of the vitamin B6 group (which also includes pyridoxal and pyridoxamine) that is transformed in the body to pyridoxal phosphate, which functions as a coenzyme, a substance that enhances the action of an enzyme and thereby helps catalyze and speed a biochemical reaction. (A number of ...
  13. Pyrimidine Pyrimidine
    Pyrimidine: One of the two classes of bases in DNA and RNA. The pyrimidine bases are thymine (T) and cytosine (C) in DNA and thymine (T) and uracil (U) in RNA. ...
  14. Pyrophosphate arthropathy Pyrophosphate arthropathy
    Pyrophosphate arthropathy: Joint damage due to deposition of calcium pyrophosphate. Pyrophosphate arthropathy most commonly affects the knees, wrists and knuckles and tends to be symmetrical....
  15. Pyrosis Pyrosis
    Pyrosis: A technical term for what is popularly called heartburn, a burning sensation in the upper abdomen. In many languages there is a technical term such as pyrosis and a popular term for the same phenomenon. For example, pyrosis is popularly known in French as brûlure epigastrique and in Spanis...