Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «G»:
Gastroesophageal reflux: The return of stomach
contents back up
into the esophagus This frequently causes heartburn because of
irritation of the esophagus
by stomach acid.
Gastroesophageal reflux disease (GERD) can lead to
scarring and stricture
of the esophagus, requiring stretching (dilating) ...
Gastrointestinal: Adjective referring collectively to the stomach and small and large intestines.
The commonly used abbreviation for gastrointestinal is GI. (Outside of medicine, GI can also stand for galvanized iron, general issue or government issue - as in GI Joe).
Gastrointestinal stromal tumor
Gastrointestinal stromal tumor: GIST. A type of tumor that usually begins in cells in the wall of the gastrointestinal tract. It can be benign or malignant. Malignant GISTs can occur from the esophagus to the rectum, but occur most commonly in the stomach and small intestine. Treatment for GIST incl...
Gastrointestinal tract: The tube that extends from the mouth to the anus in which the movement of muscles and release of hormones and enzymes digest food. The gastrointestinal tract starts with the mouth and proceeds to the esophagus, stomach, duodenum, small intestine, large intestine (colon), rect...
Gastroparesis: Gastroparesis is a medical condition in
which the muscle of the stomach is paralyzed by a disease of either
the stomach muscle itself or the nerves controlling the muscle. As a
consequence, food and secretions do not empty normally from the
stomach, and there is nausea and vomiti...
Gastropathy: Disease of the stomach, as in hypoproteinemic hypertrophic gastropathy. Gastropathy comes from gastro- referring to the stomach + the Greek pathos meaning disease. Pronounced gas-trop-a-the with the emphasis on the trop.
Gastropathy, hypertrophic hypoproteinemic
Gastropathy, hypertrophic hypoproteinemic: See: Giant hypertrophic gastritis....
Gastropathy, hypoproteinemic hypertrophic
Gastropathy, hypoproteinemic hypertrophic: See: Giant hypertrophic gastritis....
Gastroschisis: A birth defect in which there is a separation in the abdominal wall. Through this opening protrudes part of the intestines which are not covered by peritoneum (the membrane that normally lines the inside of the abdomen). The opening in the abdominal wall in gastroschisis is never at t...
Gastroscope: A flexible, lighted instrument that is put through the mouth and down the esophagus to view the stomach. Tissue from the stomach can also be removed through the gastroscope....
Gastrostomy: A surgical opening into the
stomach. This opening may be used
for feeding usually via a feeding tube called a gastrostomy tube. This can also
be done by percutaneous
endoscopic gastrostomy (PEG). PEG is a surgical procedure for placing
a feeding tube but does not necessitate doing...
Gastrostomy, percutaneous endoscopic (PEG)
Gastrostomy, percutaneous endoscopic
(PEG): A surgical procedure for placing a feeding tube
without having to perform an open laparotomy (operation on
the abdomen). The aim of PEG is to feed those who cannot
swallow. PEG may be done by a surgeon, otolaryngologist
(ENT specialist) or gastroente...
Gaucher disease: A series of 5 diseases due to deficient activity of the enzyme glucocerebrosidase, leading to accumulation of glucocerebroside in tissues of the body. The 5 types of Gaucher disease encompass a continuum of clinical findings from a lethal form before or just after birth to a form so...
Gaucher disease, type 1
Gaucher disease, type 1: The most common and best known form of Gaucher disease. It affects the spleen, liver, and bone marrow and spares the brain. The symptoms include enlargement of the spleen (usually the first sign), anemia, low blood platelets, increased skin pigmentation, and a yellow fatty s...
Gaucher disease, types 2-5
Gaucher disease, types 2-5: A series of disease due to glucocerebrosidase deficiency and accumulation of glucocerebroside in cells. By comparison with type 1 Gaucher disease, these are far less frequent forms of Gaucher disease.
Types 2 and 3 Gaucher disease are characterized by primary neurologic ...