noun
body wall
Technical term in anatomy and zoology for the outer wall of an animal body, including skin, muscle, and connective tissue layers.
線虫の体壁はクチクラで覆われている。
The body wall of nematodes is covered by a cuticle.
解剖学の授業で体壁の構造を学んだ。
We learned the structure of the body wall in anatomy class.