Regulation of interdigestive contractions in the denervated stomach. 1983

M Nakaya, and I Takahashi, and T Suzuki, and S Takeuchi, and H Arai, and K Wakabayashi, and Z Ito

The effects of thiopental sodium on the regulation of interdigestive migrating contractions (IMC) in the stomach were investigated in dogs with extrinsically denervated fundic pouches. During the interdigestive state, strong phasic contractions in the pouch took place consistently in accordance with the IMC in the main stomach. The cyclic increase in plasma motilin concentration was more closely correlated with the increase in contractile activity in the pouch than the increase in the main stomach. General anesthesia by thiopental sodium promptly inhibited the IMC in the main stomach but the contractile activity in the pouch was not affected but gradually decreased in proportion to the decrease in plasma motilin concentration. In conclusion, contractile activity in the extrinsically denervated pouch, which is quite independent of the CNS, is directly controlled by a humoral factor(s), motilin. However, interdigestive motor activity in the extrinsically intact stomach appears to be regulated by the CNS as well as peripheral circulation humoral factors.

UI MeSH Term Description Entries
D009037 Motilin A peptide of about 22-amino acids isolated from the DUODENUM. At low pH it inhibits gastric motor activity, whereas at high pH it has a stimulating effect.
D010528 Peristalsis A movement, caused by sequential muscle contraction, that pushes the contents of the intestines or other tubular organs in one direction. Peristalses
D003714 Denervation The resection or removal of the nerve to an organ or part. Laser Neurectomy,Neurectomy,Peripheral Neurectomy,Radiofrequency Neurotomy,Denervations,Laser Neurectomies,Neurectomies,Neurectomies, Laser,Neurectomies, Peripheral,Neurectomy, Laser,Neurectomy, Peripheral,Neurotomies, Radiofrequency,Neurotomy, Radiofrequency,Peripheral Neurectomies,Radiofrequency Neurotomies
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005748 Gastric Fundus The superior portion of the body of the stomach above the level of the cardiac notch. Fundus, Gastric
D005769 Gastrointestinal Motility The motor activity of the GASTROINTESTINAL TRACT. Intestinal Motility,Gastrointestinal Motilities,Intestinal Motilities,Motilities, Gastrointestinal,Motilities, Intestinal,Motility, Gastrointestinal,Motility, Intestinal
D000768 Anesthesia, General Procedure in which patients are induced into an unconscious state through use of various medications so that they do not feel pain during surgery. Anesthesias, General,General Anesthesia,General Anesthesias
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001285 Atropine An alkaloid, originally from Atropa belladonna, but found in other plants, mainly SOLANACEAE. Hyoscyamine is the 3(S)-endo isomer of atropine. AtroPen,Atropin Augenöl,Atropine Sulfate,Atropine Sulfate Anhydrous,Atropinol,Anhydrous, Atropine Sulfate,Augenöl, Atropin,Sulfate Anhydrous, Atropine,Sulfate, Atropine
D013270 Stomach An organ of digestion situated in the left upper quadrant of the abdomen between the termination of the ESOPHAGUS and the beginning of the DUODENUM. Stomachs

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