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Control of Feeding - Anatomy & Physiology (view source)
Revision as of 09:34, 16 July 2008
, 09:34, 16 July 2008→Phases of Gastric Secretion
*Increase stomach motility by release of hydrochloric acid and pepsinogen
*Increase stomach motility by release of hydrochloric acid and pepsinogen
[[Image:gastric control of secretion diagram.jpg|thumb|right|150px|Gastric control of secretion - Copyright RVC 2008]]
===Gastric===
*Chemical and mechanical receptors in stomach
*Chemical and mechanical receptors in stomach
*Negative feedback loop by sympathomimetic somatostatin released by paracrine method to inhibit gastrin secretion (when pH falls below 3)
*Negative feedback loop by sympathomimetic somatostatin released by paracrine method to inhibit gastrin secretion (when pH falls below 3)
[[Image:Intestinal control of secretion diagram.jpg|thumb|right|150px|Intestinal control of secretion - Copyright RVC 2008]]
===Intestinal===
*Chyme in the duodenum inhibits acid secretion and motility
*Chyme in the duodenum inhibits acid secretion and motility
*Chyme causes release of secretin, [[Endocrine System - Gut - Anatomy & Physiology|GIP]] and [[Endocrine System - Gut - Anatomy & Physiology|CCK]]
*Chyme causes release of secretin, [[Endocrine System - Gut - Anatomy & Physiology|GIP]] and [[Endocrine System - Gut - Anatomy & Physiology|CCK]]
[[Image:Pancreatic control of secretion diagram.jpg|thumb|right|150px|Pancretic control of secretion - Copyright RVC 2008]]
===Pancreatic===
*[[Endocrine System - Gut - Anatomy & Physiology|CCK]], secretin and [[Endocrine System - Gut - Anatomy & Physiology|Gastrin]]
*[[Endocrine System - Gut - Anatomy & Physiology|CCK]], secretin and [[Endocrine System - Gut - Anatomy & Physiology|Gastrin]]