起き毛もう筋きん

noun

arrector pili muscle

Rare anatomical term for the tiny muscle attached to a hair follicle that causes goosebumps. The synonym 立毛筋 is more common.

See also: 立毛筋

• 起き毛もう筋きんは、寒さむさや恐きょう怖ふで収しゅう縮しゅくして鳥とり肌はだを起おこす。

  The arrector pili muscles contract in response to cold or fear, causing goosebumps.