biliary 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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

biliary tract

The biliary plumbing system, which consists of the gallbladder, intrahepatic bile ducts, cystic duct—gallbladder to common bile duct—and common bile duct—liver and gallbladder to small intestine. Biliary tract obstruction usually leads to obstructive jaundice.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
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BILIARY TRACT (IN RELATION TO LIVER, PANCREAS, AND DUODENUM)

biliary tract

The organs and ducts through which bile travels on its way to the duodenum. These are the bile canaliculi, right and left hepatic ducts, common hepatic duct, gallbladder, cystic duct, bile duct, and hepatopancreatic ampulla.
See: illustration; bile ducts; gallbladder; liver
See also: tract
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Ten years single center experience in percutaneous transhepatic decompression of biliary tree in patients with malignant obstructive jaundice.
The use of a contrast agent during ERCP is necessary to assess the anatomy of the biliary tree, the formation of stones, and the existence of malignant tumors (5, 18, 19).
The clinical presentation of parasite infection varies depending on the type and location of infestation within the biliary tree. Hepato-biliary problems arise from compression of the biliary system by parasites or infestation of the bile ducts (3-5).
Pancreas and biliary tree. In: Cibas ES, Ductaman BS, eds.
The etiology of acute pancreatitis in 66% of the cases was secondary to alcohol and biliary tree disease.
MRCP offers a reliable and non-invasive visualization of the biliary tree in a manner for the surgical approach to be planned and adapted to prevent an injury of a variant of the hepatic duct confluence.
It is characterized by diffuse cholangitis and progressive fibrosis of the biliary tree. PSC typically manifests in the 4th or 5th decade, with a male preponderance.
Branches of hepatic artery and arterioles supply the arterial blood to whole of biliary tree via peribiliary plexus of capillaries and then drain into hepatic sinusoids.
Developmental abnormalities of gallbladder like absence of gallbladder or congenital defect of biliary tree, mostly agenesis of the gallbladder is much uncommon congenital maldevelopment during the process of embryogenesis of gallbladder from ventral duodenal bud.
Endoscopic ultrasound examination of the biliary tree (transduodenal view, linear probe GF-UCT180, Olympus; Aloka Alpha 7, Hitachi) showed a persisting dilation of the common bile duct with a hypoechoic, homogeneic, lobulated lesion measuring >45 mm "floating" in the bile.
A CT scan abdomen with endoscopic retrograde cholangiopancreatography (ERCP) gave a diagnosis of hydatid cyst of the liver with pancreatitis, cholangitis and jaundice due to involvement of the biliary tree and common bile duct ERCP was done and a stent was placed after which the patient was referred to general surgery department where the resection of cyst was performed under general anaesthesia.