Neurohumoral and Endocrine Regulation Flashcards Preview

GI Exam 1 > Neurohumoral and Endocrine Regulation > Flashcards

Flashcards in Neurohumoral and Endocrine Regulation Deck (16)
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1
Q

What does gastrin work on?

A

Parietal cells: HCl release

ECL: histamine release

2
Q

What do I cells (enteroendocrine cells) release?

A

CCK

3
Q

What does CCK work on?

A

Vagal afferent, gallbladder and pancreas enzymes

4
Q

What do M cells release?

A

Motilin

5
Q

What does motilin do?

A

Regulates the migrating motor complex

6
Q

What do S cells secrete?

A

Secretin

7
Q

What does secretin cause?

A

Pancreas and biliary ductal cell secretion

8
Q

What do K cells release?

A

GIP: Glucose-dependent insulinotropic peptide or

Gastric inhibitory peptide

9
Q

What does GIP do?

A

Induce insulin secretion

10
Q

What do D cells release?

A

Somatostatin

11
Q

What does somatostatin cause?

A

Decrease gastrin release

12
Q

What do enterochromaffin cells release?

A

Serotonin

13
Q

What does serotonin do?

A

Triggers reflex motor and secretory response in the ENS to the CNS

14
Q

What does ghrelin do?

A

Stimulates gastric motility

Strong appetite stimulant

15
Q

What does leptin do?

A

Decreases appetite

16
Q

What does peptide YY do?

A

Slows stomach motility; ileal brake