labium inferius oris

uncountable

(anatomy) The fold of muscles bounding the opening of the lower mouth.

Japanese Meaning

下唇の開口部を囲む筋肉のひだ

During the dissection, the anatomist pointed out the labium inferius oris and described its muscular attachments.

解剖の際、解剖学者は下唇のひだを指し示し、その筋の付着を説明した。

Sense（1）

(anatomy) The fold of muscles bounding the opening of the lower mouth.