W5 - Pancreas

Question 1

Pancreas is a heterocrine organ, what does this mean?

Answer 1

It is partially exocrine and partially endocrine

Question 2

99% of the pancreas is exocrine, what is the general function/molecule produced?

Answer 2

Enzymes for digestion of proteins, lipids, carbs and nuc acids

Question 3

1% of the pancreas is endocrine, what is the general function/molecule produced?

Answer 3

Functions to regulate blood glucose levels

Question 4

Acinar cells are organised into ??? to produce pancreatic juices

Answer 4

Acini, clusters of cells surrounding ducts

Question 5

Enzymes in pancreatic juices don’t damage the internal surface of the GI tract, how?

Answer 5

THey’re secreted as proenzymes so they arent necessary until cleaved

Question 6

Lumen of acini –> intercalated duct –> ??? –> ???

Answer 6

Intralobular duct, interlobular duct

Question 7

Islets of Langerhans are found in higher proportions of the tail than anywhere else in the pancreas, what do they produce?

Answer 7

Alpha - glucagon, beta - insulin, delta - somatostatin

Question 8

Where do the pancreatic juices enter the small intestine?

Answer 8

Duodenum