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Peristaltic Control
Question | Answer |
---|---|
What is the Myenteric Plexus? | "Nerve Net" between Smooth Muscle layers |
What is the function of the Myenteric Plexus? | responds to internal Food or Gas Pressure |
What 3 factors are involved in Peristaltic Control? | 1. Myenteric Plexus; 2. Autonomic Nerves; 3. GI Hormones |
What are the GI Hormones? | Gastrin, Secretin, Cholecystokinin |
What is the function of Gastrin and what it respond to? | promotes Gastric Secretion & Motility - Protein |
What is the function of Secretin and what it respond to? | stimulates Pancreatic Secretion of HCO3- and increases GI Motility - Acid from Stomach |
What are the 5 functions of Cholecystokinin? | 1. stimulates CONTRACTION of Gallbladder; 2. release Pancreatic Enzymes; 3. ^ Intestinal MOTILITY; 4. REDUCES Gastric Secretion; 5. SUPRESSES Appetite |