絨じゅう毛もう膜まく絨じゅう毛もう

noun

chorionic villus

Medical term in embryology; refers to the tiny, finger-like projections of the chorion that facilitate nutrient and gas exchange between mother and fetus.

• 絨じゅう毛もう膜まく絨じゅう毛もうは胎たい盤ばんの形けい成せいに重じゅう要ような役やく割わりを果はたす。

  Chorionic villi play an important role in the formation of the placenta.