Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «P»:
PSC (primary sclerosing cholangitis)
PSC (primary sclerosing cholangitis): See: Primary sclerosing cholangitis....
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...
Pseudodementia: A severe form of depression resulting from a
progressive brain disorder in which cognitive changes mimic those of dementia....
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....
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...
Pseudohemophilia: The original name that von Willebrand gave to the bleeding disorder he first described.
See: Von Willebrand disease....
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
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. ...
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...
Pseudomonas cepacia: Bacterium now known as Burkholderia cepacia. See: Burkholderia cepacia....
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...
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
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. ...
Pseudoobstruction, myopathic: Intestinal
pseudoobstruction caused by damage to muscle cells in the
walls of the bowel....
Pseudoobstruction, neuropathic: Intestinal
pseudoobstruction caused by damage to nerve cells in the
walls of the bowel....