Last Updated
：2025/11/28
arrector pili
Noun
Japanese Meaning
毛包に付着する小さな筋肉。収縮すると毛が立ち上がる（立毛作用を引き起こす）ため、哺乳類の体毛を立ち上がらせる役割を持つ。
（ plural ）
Quizzes for review
(anatomy) Any of the small muscles attached to hair follicles in mammals, contraction of which causes the hairs to stand on end.
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arrector pili
At the sudden noise, the arrector pili along his arms contracted, and goosebumps appeared on his skin.
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At the sudden noise, the arrector pili along his arms contracted, and goosebumps appeared on his skin.
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