Chorioallantoic Membrane

**Definition:** A highly vascularized extra-embryonic membrane, formed by the fusion of the CHORION and the ALLANTOIS. It is mostly found in BIRDS and REPTILES. It serves as a model for studying tumor or cell biology, such as angiogenesis and TISSUE TRANSPLANTATION.

**Tree numbers:** - A10.615.284.375 - A13.350.575 - A16.331.400