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Histology

GI Glands

QuestionAnswer
what branch of the autonomic nervous system increases the secretion of saliva? parasympathetic
the contraction of these cells are what cause increased saliva secretion myoepithelial cells
these structures store proteins to be released by the serous acinar cells zymogen granules
this gland releases almost entirely serous saliva parotid gland
this gland releases a mixed serous/mucous saliva submandibular gland
this gland releases a mixed serous/mucous saliva, but has a much higher mucous content than the other salivary glands. sublingual gland
what is the function of saliva it moistens oral mucosa and food to help swallowing. it begins the enzymatic digestion of carbohydrates. it also helps control bacterial populartion growth (lysozymes).
name the structures of the portal triad of the liver portal vein, hepatic artery, bile duct.
describe the classic lobule for the liver structure model central vein in the middle with portal triads surrounding a hexagonal shape. This model is seen more in animals.
describe the portal triangle model for the liver portal triad at the center with central veins at the corners of the triangle. this describes the glandular effect.
describe the liver acinus model a cross with two portal triads on the short axis and two central veins on the long axis. it is useful for explaining metabolism and pathology.
in the liver acinus model, which hepatocytes receive the best oxygenated blood? hepatocytes closest to the portal triad in the center receive the best oxygenated blood. hepatocytes closest to the central vein in zone three receive the least oxygenated blood.
these are cells of the liver that phagocytocize foreign matter. if the spleen is removed, these cells will start removing damaged erythrocytes. kupfer cells
what kind of epithelium is found in the gall bladder? simple columnar epithelium with microvilli.
these are specialized cells in the pancreas that synthesize endocrine hormones that regulate metabolism. this is the endocrine portion of the pancreas. islets of langerhans.
these cells in the pancreas secrete glucagon. A cells. they ar elocated in the periphery of the islets.
these cells in the pancreas secrete insulin. B cells. they are located in the center of the islets of langerhans.
these cells in the pancreas secrete somatostatin, which regulate the release of other pancreatic hormones. D cells
these cells of the pancreas add bicarbonate and water to the exocrine secretion of hte pancreas to neutralize acids from the stomach and prevent premature activation of pancreatic enzymes. centroacinar cells.
Created by: aferdo01
 

 



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