ampulla of Vater


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Related to ampulla of Vater: ERCP

ampulla

 [am-pul´ah] (pl. ampul´lae) (L.)
a flasklike dilatation of a tubular structure, especially of the expanded ends of the semicircular canals of the ear.
ampulla chy´li cisterna chyli.
ampulla duc´tus deferen´tis (Henle's ampulla) the enlarged and tortuous distal end of the ductus deferens.
hepatopancreatic ampulla ampulla of Vater; a flasklike cavity in the major duodenal papilla into which the common bile duct and pancreatic duct open.
 Hepatopancreatic ampulla, receiving the common bile and pancreatic ducts and entering the duodenum at the major duodenal papilla. From Dorland's, 2000.
Lieberkühn's ampulla the blind termination of the lacteals in the villi of the intestines.
ampul´lae membrana´ceae membranous ampullae: the dilatations at one end of each of the three semicircular ducts.
ampul´lae os´seae the dilatations at one of the ends of the semicircular canals.
phrenic ampulla the dilatation at the lower end of the esophagus.
ampulla of rectum the dilated portion of the rectum just proximal to the anal canal.
ampulla of Thoma one of the small terminal expansions of an interlobar artery in the pulp of the spleen.
ampulla of uterine tube the longest and widest portion of the fallopian (uterine) tube between the infundibulum and the isthmus of the tube.
ampulla of Vater hepatopancreatic ampulla; the term “ampulla of Vater” is often mistakenly used instead of “papilla of Vater,” or major duodenal papilla.

he·pa·to·pan·cre·at·ic am·pul·la

[TA]
the dilation within the major duodenal papilla that normally receives both the (common) bile duct and the main pancreatic duct.

ampulla of Vater

A small dilatation in the main duodenal papilla which corresponds to the joining of the common bile duct and major pancreatic duct; the AoV appears as a bump in the duodenum by endoscopy, is the point of secretion of bile and pancreatic juices, and is the target for injecting contrast when performing ERCP.

am·pul·la of Vater

(am-pul'ă vah'tĕr)
The dilation at the junction of the common bile duct and pancreatic ducts before they enter the duodenum.

ampulla of Vater

A small sac-like widening (dilation) at the point of junction of the bile and pancreatic ducts where they enter the DUODENUM. Cancer of the head of the PANCREAS can block the ampulla and cause obstructive JAUNDICE.

Ampulla of Vater

The widened portion of the duct through which the bile and pancreatic juices enter the intestine. Ampulla is a Latin word for a bottle with a narrow neck that opens into a wide body.
Mentioned in: Jaundice
References in periodicals archive ?
Matsusue, "Pancreaticoduodenectomy for carcinoma of the ampulla of Vater with common hepatic artery originated from hepatomesenteric trunk, passing through the pancreatic head: report of a case (in Japanese)," Japanese Journal of Gastroenterological Surgery, vol.
There are no standard guidelines for optimal treatment due to the rare incidence of melanoma to the ampulla of Vater. Biliary stenting offers temporary symptomatic palliation with a rapid improvement in cholestasis.
Tumoral and flat IN may occur in various organs, including the pancreatobiliary tract, ampulla of Vater, and gallbladder (Table).
Primary adenosquamous carcinoma of ampulla of Vater - A rare case report.
Pitt et al., "Adenocarcinoma of the ampulla of Vater: a 28-year experience," Annals of Surgery, vol.
Carcinoma of the ampulla of vater: a distinct disease entity?
Stones in the ampulla of Vater were correctly diagnosed in 1 of the 3 affected patients, and excluded in 35 of the 41 patients.
The exact pathogenesis of ACC is not clearly understood, but cholestasis and increased bile viscosity from prolonged fasting, spasm of the ampulla of vater, endotoxemia, microangiopathy and ischemicreperfusion injury, among the other causes have been suggested (5-7).
Signet ring cell carcinoma of the ampulla of Vater: a case report.
Ultrasound and computed tomography are fairly sensitive to demonstrate gallstone obstruction at the Ampulla of Vater or soft tissue changes indicative of edema, necrosis or microcalcifications of the pancreas.
A 77-year-old male patient, who was admitted to the clinic due to complaints of swelling and dyspepsia, was diagnosed with a tumor of the ampulla of Vater. After obtaining informed consent from patient and completing the preoperative preparation, Whipple procedure was performed.
Lastly, gangliocytic paraganglioma is a triphasic tumor of epithelioid, ganglion, and spindle cells usually occurring in the ampulla of Vater. Gangliocytic paraganglioma is excluded because no polygonal or columnar epithelioid cells, usually keratin positive, are found, and the keratin AE1/AE3 is negative in the mucosal biopsy specimen.