Motilin effects on gastrointestinal motility and lower esophageal sphincter (LES) pressure in dogs. 1976

H M Jennewein, and R Bauer, and H Hummelt, and G Lepsin, and R Siewert, and F Waldeck

Natural porcine motilin induces phasic contractions of the lower esophageal sphincter in dogs. These contractions are related to gastric contractions, which have the characteristics of interdigestive-motility patterns. Duodenal alkalinization produces an insignificant LES pressure increase after 5 minutes. No effect of motilin was observed when using isolated canine muscle strips.

UI MeSH Term Description Entries
D008297 Male Males
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.
D009119 Muscle Contraction A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments. Inotropism,Muscular Contraction,Contraction, Muscle,Contraction, Muscular,Contractions, Muscle,Contractions, Muscular,Inotropisms,Muscle Contractions,Muscular Contractions
D011312 Pressure A type of stress exerted uniformly in all directions. Its measure is the force exerted per unit area. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Pressures
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
D004943 Esophagogastric Junction The area covering the terminal portion of ESOPHAGUS and the beginning of STOMACH at the cardiac orifice. Gastroesophageal Junction,Gastroesophageal Junctions,Junction, Esophagogastric,Junction, Gastroesophageal,Junctions, Gastroesophageal
D005260 Female Females
D005768 Gastrointestinal Hormones HORMONES secreted by the gastrointestinal mucosa that affect the timing or the quality of secretion of digestive enzymes, and regulate the motor activity of the digestive system organs. Enteric Hormone,Enteric Hormones,Gastrointestinal Hormone,Intestinal Hormone,Intestinal Hormones,Hormone, Enteric,Hormone, Gastrointestinal,Hormone, Intestinal,Hormones, Enteric,Hormones, Gastrointestinal,Hormones, Intestinal
D005769 Gastrointestinal Motility The motor activity of the GASTROINTESTINAL TRACT. Intestinal Motility,Gastrointestinal Motilities,Intestinal Motilities,Motilities, Gastrointestinal,Motilities, Intestinal,Motility, Gastrointestinal,Motility, Intestinal
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

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