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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «P»:

  1. PSC (primary sclerosing cholangitis) PSC (primary sclerosing cholangitis)
    PSC (primary sclerosing cholangitis): See: Primary sclerosing cholangitis....
  2. Pseudo-Hurler polydystrophy Pseudo-Hurler polydystrophy
    Pseudo-Hurler polydystrophy: A rare genetic disease that is passed on via an autosomal recessive gene. It is characterized by abnormal lysosomal enzyme transport in cells of mesenchymal origin, causing elevated lysosomal enzymes in body fluids and tissues. Diagnosis is by blood test. There is c...
  3. Pseudodementia Pseudodementia
    Pseudodementia: A severe form of depression resulting from a progressive brain disorder in which cognitive changes mimic those of dementia....
  4. Pseudoexfoliation syndrome Pseudoexfoliation syndrome
    Pseudoexfoliation syndrome: An eye condition that often leads to glaucoma. Called the pseudoexfoliation syndrome because deposits on the surface of the lens look like flakes of dandruff, as if the lens capsule has exfoliated (shed the flakes). It is also called exfoliation syndrome....
  5. Pseudogout Pseudogout
    Pseudogout: Inflammation of the joints caused by deposits of calcium pyrophosphate crystals, resulting in arthritis, most commonly of the knees, wrists, shoulders, hips, and ankles, usually affecting only one or a few joints at a time. True gout is due to a different type of crystal formed by the pr...
  6. Pseudohemophilia Pseudohemophilia
    Pseudohemophilia: The original name that von Willebrand gave to the bleeding disorder he first described. See: Von Willebrand disease....
  7. Pseudomelanosis coli Pseudomelanosis coli
    Pseudomelanosis coli (Melanosis coli): A benign, reversible condition usually, but not always, associated with long-term use of anthranoid laxatives in which pigment deposition in the lamina propria of the large intestine results in a brown to black discoloration of the mucosa (lining) of the la...
  8. Pseudomembranous colitis Pseudomembranous colitis
    Pseudomembranous colitis: Severe inflammation of the inner lining of the colon. Pseudomembranous colitis is characterized by pus and blood in the stool and often caused by antibiotics. ...
  9. Pseudomonas aeruginosa Pseudomonas aeruginosa
    Pseudomonas aeruginosa: The versatile "blue-green pus bacteria" that opportunistically infects people, especially those who are immunocompromised. Pseudomonas rarely causes infection in healthy individuals but it is a major cause of hospital acquired (nosocomial) infections. It tends to infect peopl...
  10. Pseudomonas cepacia Pseudomonas cepacia
    Pseudomonas cepacia: Bacterium now known as Burkholderia cepacia. See: Burkholderia cepacia....
  11. Pseudomonas infection Pseudomonas infection
    Pseudomonas infection: Infection usually with Pseudomonas aeruginosa, the versatile "blue-green pus bacteria" that opportunistically infects people, especially those who are immunocompromised. Pseudomonas rarely causes infection in healthy individuals but it is a major cause of hospital acquired (no...
  12. Pseudomonas pseudomallei Pseudomonas pseudomallei
    Pseudomonas pseudomallei: A bacteria that causes an infectious illness called melioidosis or Whitmore's disease that is most frequent in Southeast Asia and Northern Australia. Pseudomonas pseudomallei is found in soil, rice paddies and stagnant waters. Humans catch the disease by inhalation of ...
  13. Pseudoobstruction, intestinal Pseudoobstruction, intestinal
    Pseudoobstruction, intestinal: A group of chronic disorders that impair gastrointestinal motility, despite the absence of an actual obstruction. Symptoms include cramping and abdominal pain, malnutrition, nausea, and vomiting. Some forms of pseudoobstruction appear to be genetically inherited. ...
  14. Pseudoobstruction, myopathic Pseudoobstruction, myopathic
    Pseudoobstruction, myopathic: Intestinal pseudoobstruction caused by damage to muscle cells in the walls of the bowel....
  15. Pseudoobstruction, neuropathic Pseudoobstruction, neuropathic
    Pseudoobstruction, neuropathic: Intestinal pseudoobstruction caused by damage to nerve cells in the walls of the bowel....