14.2 Structure And Function Of The Pancreas Flashcards
Pancreas two main functions
Exocrine gland - produce and release digestive enzymes into the duodenum
Endocrine gland - produce hormones and release into blood
3 types of digestive enzymes produced by the pancreas
Amylases - break down starch into simple sugars
Proteases - break down proteins into amino acids
Lipases - break down lipids into fatty acids and glycerol
What is endocrine tissue in the pancreas called?
Islets of Langerhans
Islets of Langerhans under microscope
Lightly stained
Large spherical clusters
Pancreatic acini under microscope
Darker stained
Small berry like clusters
Cells in islets of Langerhans
Alpha cells - produce and secrete glucagon
Beta cells - produce and secrete insulin
Which cells are more numerous in an islet?
Alpha cells