digestion Flashcards
which cells are gastrin excreted form
G cells
which part of GI tract is gastrin secreted in
gastric antrum (mainly) and duodenum
what is produced from G cells
gastrin
what is produced from I cells
CCK
what cells are CCK secreted from
I cells
where are I cells present
duodenum and jejunum
where is secretin excreted from in the GI tract
S cells of duodenum
what is secreted form S cells
secretin
where are S cells present
duodenum they secrete secretin
what is secreted from M cells
motilin
where are M cells present
duodenum and jejunum
where is motilin secreted from
M cells in the duodenum and jejunum
where is glucagon like insulinotrophic peptide secreted from
K cells of the duodenum and jejunum
what is secreted from K cells
glucagon like insulinotrophic peptide
where do K cells act
in the duodenum and jejunum
what does the secretion from K cells do
act on the B cells of the pancreas in essentially a feed forward mechanism to stimulate the release of insulin
what does GLP1 cells release
they secrete glucagon like peptide
where is glucagon like peptide released from
it is an incretin which is released form L cells
where is ghrelin released from
Gr cells of the gastric antrum, small intestine anywhere eg. pancreas
