A membrane or wall around the hexacanth embryo of tapeworms, forming the inner portion of the eggshell. In the genus Taenia, the embryophore is exceptionally thick, with radial striations that form a highly protective structure; in the genus Diphyllobothrium, the embryophore is ciliated and enhances the aquatic life cycle of this and other pseudophyllid cestodes.coracidium. [embryo- + G. phoros, bearing]