| chorioallantoic | Pertaining to the chorioallantois. (05 Mar 2000) |
|---|---|
| chorioallantoic graft | Transplanting of living material to the chorioallantoic membrane of the embryonic chick. (05 Mar 2000) |
| chorioallantoic membrane | Extraembryonic membrane formed in birds and reptiles by the apposition of the allantois to the inner face of the chorion. The chorioallantoic membrane is highly vascularised and is used experimentally as a site upon which to place pieces of tissue in order to test their invasive capacity. (18 Nov 1997) |
| chorioallantoic placenta | A placenta (such as that of primates) in which the chorion is formed by the fusion of the allantoic mesoderm and vessels to the inner face of the serosa. (05 Mar 2000) |