Last Updated
：2026/01/07
外側直筋
Hiragana
がいそくちょっきん
Noun
Japanese Meaning
眼球を外側（耳側）の方向へ動かす役割を持つ外眼筋の一つで、視神経のすぐ外側に位置し、動眼神経ではなく外転神経によって支配される筋肉。解剖学では「外側直筋」と呼ばれ、英語では lateral rectus muscle と表される。
Easy Japanese Meaning
目をよこにうごかすときにつかう、目のよこにあるほそいきんにく
Chinese (Simplified) Meaning
眼球外直肌 / 使眼球外展的肌肉
Chinese (Traditional) Meaning
眼球的外直肌 / 使眼球向外外展的眼外肌 / 位於眼球外側的直肌
Korean Meaning
눈의 가쪽곧은근 / 눈알을 바깥쪽으로 움직이는 근육
Vietnamese Meaning
cơ thẳng ngoài của mắt / cơ vận nhãn giúp đưa mắt ra ngoài
Tagalog Meaning
panlabas na tuwid na kalamnan ng mata / kalamnan ng mata na nagpapalihis ng tingin palayo sa ilong
Sense（1）
a lateral rectus muscle
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
外側直筋
See correct answer
He is doing special exercises to strengthen the lateral rectus muscle.
He is doing special exercises to strengthen the lateral rectus muscle.
See correct answer
彼は外側直筋の筋力を強化するための特別なエクササイズを行っています。
Japanese - English
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