English-Swedish translation of sphincter

 
 

Definitions of sphincter
noun
1. sphincter - a ring of muscle that contracts to close an opening
  musculus, muscle authority or power or force (especially when used in a coercive way); "the senators used their muscle to get the party leader to resign"
  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 ani the sphincter muscle of the anus
  musculus sphincter urethrae, urethral sphincter 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
  musculus sphincter pupillae, pupillary sphincter a ring of smooth muscle surrounding the iris
  musculus sphincter pylori, pyloric sphincter, pyloric valve the sphincter muscle of the pylorus that separates the stomach from the duodenum
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Wiki
A sphincter is a structure, usually a circular muscle, that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning. There are over 50 different sphincters in the human body; some of these sphincters are microscopic in size, in particular the precapillary sphincters.

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