Flashcards in Disgetive Glands (In Class)- Cole Deck (45)
Exocrine glands have what? how are these glands classified?
ducts; branching of ducts, secretory units, secretory products, or by secretory mechanism
what are the 3 major salivary glands?
parotid, submandibular and sublingual
what do salivary glands open into?
submandibular gland has what kind of secretions?
S & M "not that kind"
what secretions from parotid gland?
what secretions from sublingual gland?
plasma cells in glands secrete what?
what are the primary functions of saliva?
lubricate, protective function, and digestive function (ligual lipase, and amylase)
what enzymes do parotid glands produce?
amylase, peroxidase, lysozyme
What kinds of things lead to tumors of parotid glands?
mumps and rabies
what are complications of mumps?
orchitis (inflammation of testes) and meningitis
what can orchitis lead to?
what gland is the most prone to slow-growing benign tumors? what is surgery complicated by?
parotid; facial n.
what do mucous cells of submandibular glands produce?
what kind of gland is sublingual?
what is the endocrine component of pancreas? how much of volume is this?
islet of Langerhans; 2%
main function of islet of langerhans?
exocrine part of pancreas?
ducts from pancreatic acinar cells are lined with?
centroacinar cells do what?
secrete aqueous bicarb and mucin
pancreas secretion are under control of what?
where does CCK bind?
acinar cell receptors
where does secretin act?
duct cells to adjust pH
what will increase protease synthesis?
protein rich diet
carbohydrate rich diet increases synthesis of?
amylases and decrease proteases
amylase gene expression is regulated by?
insulin (thru insuloacinar portal system: internal circulation within pancreas)
what usually results in acute pancreatitis?
heavy meals or excessive alcohol ingestion
acute pancreatitis involves what?
premature activation of pancreatic enzymes (trypsinogen and trypsin) and inactivation of trypsin inhibitor; autodigestion of pancreatic acini
Blood is supplied to liver by?
protal vein (75-80%) transports blood from GI, spleen, and pancreas; hepatic artery (20-25%) via interlobar and interlobular a.