digestion

Question 1

which cells are gastrin excreted form

Answer 1

G cells

Question 2

which part of GI tract is gastrin secreted in

Answer 2

gastric antrum (mainly) and duodenum

Question 3

what is produced from G cells

Answer 3

gastrin

Question 4

what is produced from I cells

Answer 4

CCK

Question 5

what cells are CCK secreted from

Answer 5

I cells

Question 6

where are I cells present

Answer 6

duodenum and jejunum

Question 7

where is secretin excreted from in the GI tract

Answer 7

S cells of duodenum

Question 8

what is secreted form S cells

Answer 8

secretin

Question 9

where are S cells present

Answer 9

duodenum they secrete secretin

Question 10

what is secreted from M cells

Answer 10

motilin

Question 11

where are M cells present

Answer 11

duodenum and jejunum

Question 12

where is motilin secreted from

Answer 12

M cells in the duodenum and jejunum

Question 13

where is glucagon like insulinotrophic peptide secreted from

Answer 13

K cells of the duodenum and jejunum

Question 14

what is secreted from K cells

Answer 14

glucagon like insulinotrophic peptide

Question 15

where do K cells act

Answer 15

in the duodenum and jejunum

Question 16

what does the secretion from K cells do

Answer 16

act on the B cells of the pancreas in essentially a feed forward mechanism to stimulate the release of insulin

Question 17

what does GLP1 cells release

Answer 17

they secrete glucagon like peptide

Question 18

where is glucagon like peptide released from

Answer 18

it is an incretin which is released form L cells

Question 19

where is ghrelin released from

Answer 19

Gr cells of the gastric antrum, small intestine anywhere eg. pancreas