Origin: blasto- + -derm
- blastodermic adjective
Used by arrangement with John Wiley & Sons, Inc.
- The layer of cells that develops on the surface of the yolk in an avian or reptilian egg and gives rise to the germinal disk from which the embryo develops.
- The layer of cells formed by the cleavage of a fertilized mammalian egg. It later divides into the three germ layers from which the embryo develops.
- blasˌto·derˈmic, blasˌto·der·matˈic adjective
blastoderm - Medical Definition
- blastodermal, blasˌto·derˈmic, blasˌto·der·matˈic adjective