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sphincter vs pupillary sphincter

pupillary sphincter vs sphincter

sphincter and pupillary sphincter both are nouns.

Word NounAdjectiveVerbAdverb
sphincter Yes No No No
pupillary sphincter Yes No No No
As nouns, pupillary sphincter is a hyponym of sphincter; that is, pupillary sphincter is a word with a more specific, narrower meaning than sphincter:
  • sphincter: a ring of muscle that contracts to close an opening
  • pupillary sphincter: a ring of smooth muscle surrounding the iris
sphincter (noun) pupillary sphincter (noun)
a ring of muscle that contracts to close an opening a ring of smooth muscle surrounding the iris
Difference between sphincter and pupillary sphincter

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