Definisjon av sphincter

Vi fant 5 definisjoner av sphincterengelsk.

Annonsering

WordNet WordNet by Princeton University

Noun

sphincter - a ring of muscle that contracts to close an opening
anatomical sphincter, sphincter muscle
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
= synonym
= antonym
= relatert ord

Wiktionary Wiktionary dictionary logo

Substantiv

sphincter - A ringlike band of muscle that surrounds a bodily opening, constricting and relaxing as required for normal physiological functioning.
sphincter - The internal or external anal sphincter, to the extent these are distinguished as two separate entities.

Wikipedia Wiktionary dictionary logo

  • 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.

OmegaWiki Dictionary Ω

  • sphincter
    A ring-shaped muscle that relaxes or tightens to open or close a passage or opening in the body.

Substantiv

  • Entall: sphincter
  • Flertall: sphincters

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