胎たい膜まく

noun

fetal membrane; extraembryonic membrane

Medical/embryological term for the membranes surrounding the fetus, such as the amnion and chorion.

• 胎たい膜まくは胎たい児じを保ほ護ごする役やく割わりを持もつ。

  The fetal membrane has the role of protecting the fetus.