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瞳孔括約筋 (doukoukatsuyakukin) Japanese meaning | Kotomora

瞳どう孔こう括かつ約やく筋きん

ど

う

こ

う

か

つ

や

く

き

ん

Meanings

1

sphincter muscle of the pupil; sphincter pupillae

Anatomical term for the circular muscle that constricts the pupil.

瞳どう孔こう括かつ約やく筋きんは、明あかるい光ひかりに反はん

応のう

し

て

収しゅう

縮しゅく

する

。

The sphincter muscle of the pupil contracts in response to bright light.

Kanji

瞳pupil (of eye)
孔cavity, hole, slit
括fasten, tie up, arrest
約promise, approximately, shrink
筋muscle, sinew, tendon

Related words

瞳どう孔こう散さん大だい筋きん
The dilator muscle of the pupil, which works antagonistically to the sphincter pupillae.

Built from

瞳どう孔こう+括かつ約やく筋きん

Etymology

Compound of 瞳孔 (pupil) + 括約筋 (sphincter muscle).