WordNet: musculus sphincter pupillae, pupillary sphincter

a ring of smooth muscle surrounding the iris

• hypernym anatomical sphincter, sphincter, sphincter muscle

• part holonym eye, oculus, optic

musculus sphincter pupillae

• (suomi) musculus sphincter pupillae (synonyymi)

pupillary sphincter

• (suomi) mustuaisen kurojalihas (synonyymi)