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ドウコウカツヤクキン
Meanings
Noun
Anatomy
1. sphincter muscle of the pupil; sphincter pupillae
Alt. forms
瞳どう孔こう括かつ約やく筋きん
ドウコウカツヤクキン
Composed of
pupil (of the eye)
sphincter; sphincter muscle; constrictor