Endo 2 Flashcards
functional unit of exocrine pancreas
asinar cells
what secretes pancreatic digestive enzymes
asinar cells
what contains endocrine producing cells
islet of langerhans
beta cells
insulin
alpha cells
glucagon
delta cells
somatostatin
insulin _____ blood glu
decr
glucagon _____ blood glu
incr
somatostatin inhibits
insulin
glucagon
what happens if you remove pancreas
incr blood glu
incr FFA
incr ketones
incretins
GIP
GLP1
what increases insulin
hyperglycemia
incretins
AAs
glucagon
what decreases insulin
Ne/epi
cortisol
somatostatin
fasting/exercise
what increases glucagon
hypoglycemia
AA
Ne/epi/cortisol
fasting/exercise
what decr glucagon
incretins
insulin
somatostatin
what modulates insulin release
K+-ATP channel
leaky K+ATP channel
hyperpolarization
No insulin release
closed K+ATP channel
depolarization insulin release
what is proinsulin
alpha chain and beta chain connected by a C peptide
what directly closes K+ATP channel
sulfonylureas
what indirectly closes K+ATP channel
incretins
most K+ATP channels closed
depolarization
glucagon released
voltage inactivation occurs
when large depolarization happens
voltage inactivation causes
short glucagon release followed by inactivation of glucagon release