(biology) Outermost of the three tissue layers in the embryo of a metazoan animal. Through development, it will produce the epidermis (skin) and nervous system of the adult.
(生物学)后生动物胚胎中三个组织层的最外层。经过发育,它将产生成人的表皮(皮肤)和神经系统。
替代含义人气
(biology) Outermost of the three tissue layers in the embryo of a metazoan animal. Through development, it will produce the epidermis (skin) and nervous system of the adult.
(生物学)后生动物胚胎中三个组织层的最外层。经过发育,它将产生成人的表皮(皮肤)和神经系统。