neurocrines of enteric nervous system

Question 1

Norepinephrine

Answer 1

• Relax smooth muscle.
• Contract sphincters,
• Increase salivary secretion

Question 2

Vasoactive intestinal peptide (VIP)

Answer 2

• Relax smooth muscle.
• Increase intestinal and pancreatic secretion

Question 3

Gastrin-releasing peptide (GRP)

Answer 3

Increase gastrin secreation

Question 4

Enkephalins

Answer 4

• Contraction of smooth muscle.
• Decrease intestinal secreation

Question 5

Neuropetide Y

Answer 5

• Relaxation of smooth muscle.
• Decrease intestinal secreation

Question 6

Substance P

Answer 6

• Contraction of smooth muscle.
• Increase salivary secreation

Question 7

Achetylcholine

Answer 7

• Contraction smooth muscle.
• Relaxation of sphincters.
• Increase salivary, gastric, and pancreatic secreation