Last Updated
：2025/12/06
おとがいきん
Kanji
頤筋
Noun
Japanese Meaning
おとがいきん（頤筋、英: mentalis）は、下顎の正中部（おとがい部）に位置する表情筋で、下唇を前方・上方に突出させたり、あごの皮膚をしわ立てたりする働きをもつ筋肉。
Easy Japanese Meaning
あごの先にある小さいきんにくで、したくちびるをうごかすはたらきがあるところ
Sense（1）
頤筋: mentalis
（ romanization ）
Quizzes for review
See correct answer
She tightened her mouth using her mentalis.
See correct answer
彼女はおとがいきんを使って口元を引き締めた。
Japanese - English
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