exochorion

n. (高级脊椎动物的)绒毛膜表层,(昆虫的)外卵壳

发音

/ˌɛksəʊˈkɔːɹiən/

词形变化

exochorions 复数 exochoria 复数

释义与例句

n.
  1. 1.

    The outer layer of the chorion of an insect egg

词源

From exo- + chorion.

来源：wiktionary