The chorioallantoic membrane (also called the Chorioallantois or abbreviated to CAM) is a vascular membrane, found in eggs of some amniotes, which is formed by the fusion of the mesodermal layers of two developmental structures: the allantois and the chorion.
The chorioallantoic membrane (also called the Chorioallantois or abbreviated to CAM) is a vascular membrane. A vascular membrane is found in eggs of some amniotes. A vascular membrane is formed by the fusion of the mesodermal layers of two developmental structures. A vascular membrane is formed by the allantois. A vascular membrane is formed by the chorion. A vascular membrane is found in eggs of some amniotes.