chorioallantoic

• a word derived from chorioallantois.
  chorioallantois

  noun

  a vascular, extraembryonic membrane of birds, reptiles, and certain mammals, formed by the fusion of the wall of the chorion with the wall of the allantois.

More Suggestions

• allantoic
• chorionic
• allantoid
• allantoin
• allantois
• choriocarcinoma