gastrointestinal tract

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tract

 [trakt]
a longitudinal assemblage of tissues or organs, especially a number of anatomic structures arranged in series and serving a common function, such as the gastrointestinal or urinary tract; also used in reference to a bundle (or fasciculus) of nerve fibers having a common origin, function, and termination within the central nervous system.
alimentary tract alimentary canal.
biliary tract the organs, ducts, and other structures that participate in secretion (the liver), storage (the gallbladder), and delivery (hepatic and bile ducts) of bile into the duodenum. See illustration.
Anatomy of the gallbladder and biliary tract. From Aspinall and Taylor-Robinson, 2002.
corticospinal t's two groups of nerve fibers (the anterior and lateral corticospinal tracts) that originate in the cerebral cortex and run through the spinal cord.
digestive tract alimentary canal.
dorsolateral tract a group of nerve fibers in the lateral funiculus of the spinal cord dorsal to the posterior column.
extrapyramidal tract extrapyramidal system.
gastrointestinal tract the stomach and intestine in continuity; see also digestive system.
iliotibial tract a thickened longitudinal band of fascia lata extending from the tensor muscle downward to the lateral condyle of the tibia.
intestinal tract see intestinal tract.
optic tract the nerve tract proceeding backward from the optic chiasm, around the cerebral peduncle, and dividing into a lateral and medial root, which end in the superior colliculus and lateral geniculate body, respectively.
pyramidal t's collections of motor nerve fibers arising in the brain and passing down through the spinal cord to motor cells in the anterior horns.
respiratory tract respiratory system.
urinary tract the organs and passageways concerned in the production and excretion of urine from the kidneys to the urinary meatus; see also urinary system.
uveal tract the vascular tunic of the eye, comprising the choroid, ciliary body, and iris.

gas·tro·in·tes·ti·nal tract

(G.I. tract) the stomach, small intestine, and large intestine; often used as a synonym of digestive tract.

gastrointestinal tract

gas·tro·in·tes·ti·nal tract

(gastrō-in-testi-năl trakt)
Stomach, small intestine, and large intestine; often used to mean digestive tract.

gastrointestinal tract

See ALIMENTARY CANAL.

Gastrointestinal tract

The entire length of the digestive system, running from the stomach, through the small intestine, large intestine, and out the rectum and anus.

gastrointestinal

pertaining to the stomach and intestine.

gastrointestinal foreign body
see intestinal obstruction.
gastrointestinal hormones
hormones secreted by the gastrointestinal epithelium that affect the function of the tract itself and of its allied organs, e.g. gastrin, glucagon, enteroglucagon, somatostatin, secretin, cholecystokinin-pancreozymin, motilin, gastric inhibitory polypeptide, vasoactive intestinal polypeptide.
gastrointestinal series
a radiological examination of the upper gastrointestinal tract using barium as the contrast medium for a series of x-ray films. Called also a barium meal. See barium study.
gastrointestinal tract
the stomach and intestines in continuity. See also digestive system.
References in periodicals archive ?
Also, the digestive system of bird helps to provide conditions for flight; its overall less length in comparison to that of mammals, light-weight beak, lack of teeth, high metabolic rate etc.
Supply of drugs for the digestive system and metabolism to the sanitary management foundation of the santa creu i sant pau hospital.
Researchers said that walnuts act as a probiotic to help nourish and grow the bacteria that keeps the digestive system healthy.
It helps to move waste along the digestive system and prevents constipation.
He covers the digestive system and complementary and alternative medicine, humans as superorganisms, leaky gut syndrome, types of complementary and alternative therapies used, the safety of dietary supplements, some commonly used non-herbal supplements, upper and lower gastrointestinal disorders, feeding disorders, cancer, liver, biliary and pancreatic disorders, and healthy nutrient potpourri.
Meal at Dusk: It's important to introduce food to the digestive system slowly in the evening, so a practice that I observed in my earlier years, while living at home with my parents, was that they first sipped a little water followed by a date or two.
Fluids help move solids through the digestive system.
CROHN'S disease is a rare, chronic (long-term) condition that causes inflammation of the lining of the digestive system.
Busy days plagued with processed foods and an irregular diet can often wreak havoc on the digestive system.
And that makes sense when you consider the digestive system includes not just the stomach but the mouth, oesophagus, intestines, pancreas, liver and gall bladder.