1. The ducts leading from the gallbladder and liver empty into the ______. (duod

Question

1. The ducts leading from the gallbladder and liver empty into the ______. (duodenum/pancreas)

2. The ileum of the small intestin has _____ (few/many) arterial arcades and _____ (short/long) vasa recta, whereas the jejunum of the small interstine has _____ (few/many) arterial arcades and _____ (short/long) vasa recta.

3. Using knowledge of the ducts draining bile from the liver and gallbladder and the pancreatic ducts, propse a location where a gallstone might be lodged, block the ducts, and cause pancreatitis.

Explanation / Answer

Ans.1

DUODENUM

Common bile duct carries bile via Porta hepatis into duodenum.

Ans.2.

The ileum of the small intestine has MANY arterial arcades and SHORT vasa recta, whereas jejunum of the small intestine has FEW arterial arcades and LONG vasa recta.

Ans.3

Gall stone can be lodged in the curvature of CYSTIC DUCT which connects gall bladder to common bile duct or gall stones can be lodged in COMMON BILE DUCT which drains bile to duodenum. The lodging of gall stones can block the cystic and common bile duct also. Gall stones can also get lodged and block the HEPATOPANCREATIC AMPULLA (AMPULA OF VATER). Ampulla of vater is the place where common bile duct and pancreatic duct meet to drain bile juice and pancreatic juice respectively in duodenum. Blockage of ampulla of vater will lead to stoppage of draining of pancreatic juice which will lead to pancreatitis.

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