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Constrictor vs Sphincter - What's the difference?

constrictor | sphincter |

As nouns the difference between constrictor and sphincter

is that constrictor is that which constricts or tightens while sphincter is a ringlike band of muscle that surrounds a bodily opening, constricting and relaxing as required for normal physiological functioning.

constrictor

English

Noun

(en noun)
  • That which constricts or tightens.

    • Derived terms

    * boa constrictor ----

    sphincter

    English

    (wikipedia sphincter)

    Noun

    (en noun)
  • (anatomy) A ringlike band of muscle that surrounds a bodily opening, constricting and relaxing as required for normal physiological functioning.
    • the sphincter of the bladder
    the iris sphincter in the eye
  • * 1982 , (Lawrence Durrell), Constance'' (Faber & Faber, 2004: ''Avignon Quintet ), page 836:
    • She decided that she would force him to climax first by the sheer strength of her young animal control, the strength of her sphincters
  • # (in particular) The internal or external anal sphincter, to the extent these are distinguished as two separate entities.

    • Synonyms

    * anatomical sphincter

    Derived terms

    * anal sphincter * lower esophageal sphincter * pyloric sphincter * sphincteral * urethral sphincter * upper esophageal sphincter

    Related terms

    * sphinx

    See also

    * cardia