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Deutsche Schiessmuskel Synonyme

Englische sphincter Synonyme

sphincter  O  annular muscle  annulus  areola  aureole  chaplet  circle  circuit  circumference  circus  closed circle  corona  coronet  crown  cycle  diadem  discus  disk  eternal return  fairy ring  garland  glory  halo  lasso  logical circle  loop  looplet  magic circle  noose  orbit  radius  ring  rondelle  round  roundel  saucer  vicious circle  wheel  wreath  

sphincter Definition

Sphincter
(n.) A muscle which surrounds, and by its contraction tends to close, a natural opening
Sphincter
(a.) Of, pertaining to, or designating, a sphincter

sphincter Bedeutung

sphincter
anatomical sphincter
sphincter muscle 		a ring of muscle that contracts to close an opening
cardiac sphincter the valve between the distal end of the esophagus and the stomach, the physiological sphincter at the esophagogastric junction
physiological sphincter a sphincter that is not recognizable at autopsy because its resting arrangement cannot be distinguished from adjacent tissue
anal sphincter
sphincter ani
musculus sphincter ani 		the sphincter muscle of the anus
musculus sphincter ani externus an external ring of striated muscle surrounding the anus
musculus sphincter ani internus an internal ring of smooth muscle formed by circular fibers of the rectum
urethral sphincter
musculus sphincter urethrae 		a striated sphincter muscle that constricts the urethra
bladder sphincter
musculus sphincter vesicae 		the sphincter muscle of the urinary bladder, made up of a thickened muscular layer of bladder around the urethral opening
musculus sphincter ductus choledochi the smooth muscle sphincter of the common bile duct
musculus sphincter ductus pancreatici the smooth muscle sphincter of the main pancreatic duct
pupillary sphincter
musculus sphincter pupillae 		a ring of smooth muscle surrounding the iris
pyloric sphincter
pyloric valve
musculus sphincter pylori 		the sphincter muscle of the pylorus that separates the stomach from the duodenum
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A sphincter is a circular muscle that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning. Sphincters are found in many animals. There are over 60 types in the human body, some microscopically small, in particular the millions of precapillary sphincters. Sphincters relax at death, often releasing fluids.

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