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 ?
Quantitatively, measurements of thickness of various layers ofthe digestive organs are presented in Table 2.
The relative weight is one of the primary biological characteristics of digestive organs and the metabolic activity of digestive organs is a function of the metabolic activity and size of the organs.
In the analysis of specific cancer sites, we found a significant association between a high level of CAs and cancer of digestive organs (RR = 1.
8 cm) were removed and digestive organs were dissected out and diced into small pieces before being embedded in the cryo-supporting medium.
Asheville Maya Abdominal Massage-Arvigo Technique : Century old techniques to address the uterus, prostate, bladder, digestive organs and the emotional body, Aug 1-3.
Donald DeMarco has cited a variety of studies indicating that the married suffer less illness due to coronary diseases and cancer of the digestive organs, among others, and lower rates of neuroses, psychoses, suicide, and overall mortality.
This deficiency leads to the accumulation of GAGs in the lysosomes, the digestive organs of the cell.
The two companies have been jointly developing nutrient agents for absorption by patients via their digestive organs since forming a business alliance in 1990.
hospital, which is attached to Stanford University in California, found the girl would also need a liver transplant, as she lacked portal veins linking her digestive organs and liver.
Leaning forward while eating from a tray on your lap in front of the television can give you stomach cramps and cause poor digestion because the digestive organs will be cramped.
It also improves circulation, massages the digestive organs and elongates the spine and legs.
Suspicion surrounds the ability of carbon dioxide released by the substance's contact with water to enter the digestive organs when the stomach is unusually full.