Last Updated
：2026/01/07
起毛筋
Hiragana
きもうきん
Kanji
立毛筋
Noun
Japanese Meaning
立毛筋（りつもうきん、arrector pili）の同義語。毛包に付着し、収縮することで体毛を立たせる小さな平滑筋。寒冷や恐怖などの刺激で反射的に収縮し、鳥肌（起毛）を生じさせる。 / 起毛（毛を立てること）に関係する筋肉、あるいはその機能を担う筋組織の総称として用いられることがあるが、通常は立毛筋と同義に理解される。
Easy Japanese Meaning
さむいときに、からだのけが たつように うごかす、うすいきんにく
Chinese (Simplified) Meaning
竖毛肌（立毛肌），使毛发竖立的皮肤平滑肌。 / 位于毛囊周围、受交感神经支配，收缩时导致鸡皮疙瘩。
Chinese (Traditional) Meaning
附著於毛囊的微小平滑肌，收縮時使毛髮豎立。 / 收縮時引起皮膚出現雞皮疙瘩的毛囊附屬肌。
Korean Meaning
모낭에 붙어 수축하면 털을 곤두세우는 작은 평활근 / 수축으로 소름이 돋게 하는 피부 근육
Vietnamese Meaning
Cơ dựng lông / Cơ trơn nhỏ gắn với nang lông, co lại làm lông/tóc dựng lên (gây nổi da gà)
Tagalog Meaning
maliit na makinis na kalamnan sa balat na nakakabit sa ugat ng buhok / kalamnang nagpapatindig ng balahibo (sanhi ng “goosebumps”)
Sense（1）
Synonym of 立毛筋 (ritsumōkin, “arrector pili”)
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
起毛筋
See correct answer
The cold caused my arrector pili muscles to contract, giving me goosebumps.
The cold caused my arrector pili muscles to contract, giving me goosebumps.
See correct answer
寒さで起毛筋が収縮し、鳥肌が立った。
Japanese - English
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