収しゅう縮しゅく筋きん

noun

constrictor muscle; retractor muscle

Anatomical term for a muscle that constricts or retracts a body part. Used in medical and biological contexts.

• 咽いん頭とう収しゅう縮しゅく筋きんは、飲のみ込こむときに重じゅう要ような役やく割わりを果はたす。

  The pharyngeal constrictor muscles play an important role in swallowing.

• 解かい剖ぼう学がくの授じゅ業ぎょうで、収しゅう縮しゅく筋きんの働はたらきについて学まなんだ。

  In anatomy class, we learned about the function of constrictor muscles.