单词 | anatomical sphincter |
释义 | anatomical sphincter (extremely rare) n WORD FAMILY anatomical sphincter n a ring of muscle that contracts to close an opening Syn|Hypo|Hyper sphincter, sphincter muscle physiological sphincter a sphincter that is not recognizable at autopsy because its resting arrangement cannot be distinguished from adjacent tissue anal sphincter, musculus sphincter ani, sphincter anithe sphincter muscle of the anus musculus sphincter urethrae, urethral sphinctera striated sphincter muscle that constricts the urethra bladder sphincter, musculus sphincter vesicaethe sphincter muscle of the urinary bladder; made up of a thickened muscular layer of bladder around the urethral opening musculus sphincter ductus choledochithe smooth muscle sphincter of the common bile duct musculus sphincter ductus pancreaticithe smooth muscle sphincter of the main pancreatic duct musculus sphincter pupillae, pupillary sphinctera ring of smooth muscle surrounding the iris musculus sphincter pylori, pyloric sphincter, pyloric valvethe sphincter muscle of the pylorus that separates the stomach from the duodenum cardiac sphincterthe valve between the distal end of the esophagus and the stomach; the physiological sphincter at the esophagogastric junction muscle, musculus one of the contractile organs of the body |
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