Last Updated
：2026/01/07
内眼筋
Hiragana
ないがんきん
Noun
Japanese Meaning
眼球の内部に存在し、虹彩や水晶体などの動きを調節する筋肉の総称。主に瞳孔の大きさや水晶体の厚さを変化させ、光の量の調整やピント合わせを行う。
Easy Japanese Meaning
目のなかにあり、ひとみの大きさやレンズの形をかえる小さなきんにく
Chinese (Simplified) Meaning
位于眼球内部的肌肉 / 调节瞳孔大小与晶状体曲率的肌群
Chinese (Traditional) Meaning
位於眼球內的平滑肌 / 控制瞳孔大小與調節晶狀體的肌肉
Korean Meaning
안구 내부에 있는 근육 / 모양체근·홍채근 등 눈 속의 근육 / 외안근과 대비되는 안구 내 근육
Vietnamese Meaning
cơ nội nhãn / cơ trong nhãn cầu / cơ nằm bên trong mắt
Tagalog Meaning
panloob na kalamnan ng mata / kalamnan sa loob ng mata / intraokular na kalamnan
Sense（1）
an intraocular muscle
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
内眼筋
See correct answer
He underwent surgery on his intraocular muscle.
See correct answer
彼は内眼筋の手術を受けました。
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