blastodermWiktionary 原文构词拆分blasto-前缀“germ”bud; budding; germination · germ cell+-derm后缀“skin”skin or covering词源说明From blasto- (“germ”) + -derm (“skin”).释义（英文）名词 Noun(embryology) The germination point in an ovum from which the embryo develops.词族派生词（4）preblastodermblastodermalblastodermaticblastodermic