Endoscopic electromyography of the sphincter of Oddi. 1979

Y Akasaka, and M Kizu, and M Nakajima, and K Kawai

Endoscopic electromyography of the human sphincter of ODDI has provided useful information for the patho-physiological studies on the choledocho-duodenal junction. The pattern and rhythm of the electromyogram observed on the spincter of ODDI were different from those of the duodenum recorded simultaneously in basal tracings of our initial four cases. In the half of other ten cases with consecutive tracings, the different pattern and rhythm of electromyograms between the sphincter of ODDI and the duodenum were also confirmed. It was possible, from our results, to speculate that the functional independence of the sphincter of ODDI from the duodenal wall muscles was in existence.

UI MeSH Term Description Entries
D009803 Sphincter of Oddi The sphincter of the hepatopancreatic ampulla within the duodenal papilla. The COMMON BILE DUCT and main pancreatic duct pass through this sphincter. Oddi's Sphincter,Oddi Sphincter,Oddis Sphincter,Sphincter, Oddi's
D004386 Duodenum The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers. Duodenums
D004576 Electromyography Recording of the changes in electric potential of muscle by means of surface or needle electrodes. Electromyogram,Surface Electromyography,Electromyograms,Electromyographies,Electromyographies, Surface,Electromyography, Surface,Surface Electromyographies
D004724 Endoscopy Procedures of applying ENDOSCOPES for disease diagnosis and treatment. Endoscopy involves passing an optical instrument through a small incision in the skin i.e., percutaneous; or through a natural orifice and along natural body pathways such as the digestive tract; and/or through an incision in the wall of a tubular structure or organ, i.e. transluminal, to examine or perform surgery on the interior parts of the body. Endoscopic Surgical Procedures,Surgical Procedures, Endoscopic,Endoscopic Surgical Procedure,Endoscopy, Surgical,Surgical Endoscopy,Surgical Procedure, Endoscopic,Procedure, Endoscopic Surgical,Procedures, Endoscopic Surgical
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D014670 Ampulla of Vater A dilation of the duodenal papilla that is the opening of the juncture of the COMMON BILE DUCT and the MAIN PANCREATIC DUCT, also known as the hepatopancreatic ampulla. Duodenal Papilla, Major,Vater's Ampulla,Greater Duodenal Papilla,Hepatopancreatic Ampulla,Ampulla, Hepatopancreatic,Ampulla, Vater's,Ampullas, Hepatopancreatic,Duodenal Papilla, Greater,Duodenal Papillas, Greater,Greater Duodenal Papillas,Hepatopancreatic Ampullas,Major Duodenal Papilla,Vater Ampulla,Vaters Ampulla

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