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Control of Feeding - Anatomy & Physiology (view source)
Revision as of 16:27, 3 September 2008
, 16:27, 3 September 2008no edit summary
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**Synapse in submucosal plexus
**Synapse in submucosal plexus
−*[[Gut - Anatomy & Physiology|Gastrin]] secreted from endocrine cells in pyloric mucosa
+*[[Endocrine System - Gut - Anatomy & Physiology|Gastrin]] secreted from endocrine cells in pyloric mucosa
*Postganglionic fibres activate chief, parietal, mucous and G cells
*Postganglionic fibres activate chief, parietal, mucous and G cells
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*Response to undigested materials, especially proteins
*Response to undigested materials, especially proteins
−*Histamine and [[Gut - Anatomy & Physiology|gastrin]] released
+*Histamine and [[Endocrine System - Gut - Anatomy & Physiology|gastrin]] released
−*Negative feedback loop by sympathomimetic somatostatin released by paracrine method to inhibit [[Gut - Anatomy & Physiology|gastrin]] secretion (when pH falls below 3)
+*Negative feedback loop by sympathomimetic somatostatin released by paracrine method to inhibit [[Endocrine System - Gut - Anatomy & Physiology|gastrin]] secretion (when pH falls below 3)
*Submucosal and myenteric plexuses activated in vagus reflex arcs
*Submucosal and myenteric plexuses activated in vagus reflex arcs
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*A drop in pH below 4.5 causes release of secretin which inhibits parietal and chief cells and stimulate buffer release from the [[Pancreas - Anatomy & Physiology|pancreas]]
*A drop in pH below 4.5 causes release of secretin which inhibits parietal and chief cells and stimulate buffer release from the [[Pancreas - Anatomy & Physiology|pancreas]]
−*Chyme causes release of secretin, [[Gut - Anatomy & Physiology|GIP]] and [[Gut - Anatomy & Physiology|CCK]] decreasing gastric sectreions and motility
+*Chyme causes release of secretin, [[Endocrine System - Gut - Anatomy & Physiology|GIP]] and [[Endocrine System - Gut - Anatomy & Physiology|CCK]] decreasing gastric sectreions and motility
[[Image:Pancreatic control of secretion diagram.jpg|thumb|right|150px|Pancretic control of secretion - Copyright RVC 2008]]
[[Image:Pancreatic control of secretion diagram.jpg|thumb|right|150px|Pancretic control of secretion - Copyright RVC 2008]]
===Pancreatic===
===Pancreatic===
−*[[Gut - Anatomy & Physiology|CCK]], secretin and [[Gut - Anatomy & Physiology|Gastrin]]
+*[[Endocrine System - Gut - Anatomy & Physiology|CCK]], secretin and [[Endocrine System - Gut - Anatomy & Physiology|Gastrin]]
*Parasympathetic stimulation during cephalic and gastric phases
*Parasympathetic stimulation during cephalic and gastric phases
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===Biliary===
===Biliary===
−*[[Gut - Anatomy & Physiology|CCK]] empties [[Gall Bladder - Anatomy & Physiology|gall bladder]]
+*[[Endocrine System - Gut - Anatomy & Physiology|CCK]] empties [[Gall Bladder - Anatomy & Physiology|gall bladder]]
*Secretin stimulates hydrogencarbonate ions from bile duct
*Secretin stimulates hydrogencarbonate ions from bile duct
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*Succus entericus
*Succus entericus
−*Secretin, [[Gut - Anatomy & Physiology|GIP]] and [[Gut - Anatomy & Physiology|Gastrin]]
+*Secretin, [[Endocrine System - Gut - Anatomy & Physiology|GIP]] and [[Endocrine System - Gut - Anatomy & Physiology|Gastrin]]
*Vagal tone and parasympathomimetic reflex
*Vagal tone and parasympathomimetic reflex