The term "Blastodermic Vesicle" refers to a structure that develops during the early stages of embryonic growth. Synonyms for this term include "blastocyst," "early embryo," and "blastular stage." Another similar phrase is "blastodisc," which refers specifically to the disc-shaped structure that forms in avian and reptilian eggs during the blastular stage. Other related terms may include "germ cell," "zygote," and "embryonic disk." These synonyms can be useful in understanding and describing the different stages of early embryonic development in various species.