Digestive Glands/Liver Flashcards
What are intercalated ducts composed of?
Low cuboidal epithelium and secrete bicarbonate ions and water
What cell is unique to the pancreas and is associated with intercalated ducts?
Centroacinar cells
What secrete a variety of digestive enzymes?
Acinar cells
What secretes insulin?
Beta cells
What secretes Glucagon?
Alpha cells
What produces somatostatin?
Delta cells
What is the classic hepatic lobule characterized by?
Central vein being located in the middle of the lobule and portal triads at the angles of the lubule
What is the portal lobule organization characterized by?
Parts of three classic lobules that drain into the bile duct in the portal triad that forms the center of this lobule
The liver acinus lobule is defined as what?
The general area between two central veins of two adjacent classic lobules
What does the portal triad consists of?
Portal venule, hepatic arteriole, and a bile duct
Where are perisinusoidal cells located? What do they do?
Located in space of Disse
Store vitamin A, produce collagen fibers and extracellular matrix components, and during cirrhosis transform into myofibroblbasts and produce collagen type I
What are macrophages in the liver?
Kuppfer cells and are derived from monocytes
