PUPILLARY SPHINCTER

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A ring of smooth muscle surrounding the iris

Synonyms:

musculus sphincter pupillae; pupillary sphincter

Classified under:

Nouns denoting body parts

Hypernyms ("pupillary sphincter" is a kind of...):

anatomical sphincter; sphincter; sphincter muscle (a ring of muscle that contracts to close an opening)

Holonyms ("pupillary sphincter" is a part of...):

eye; oculus; optic (the organ of sight)

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