(1)原腸胚が細胞の内部移動によって胞胚から発達する過程
(2)the process in which a gastrula develops from a blastula by the inward migration of cells
さらに詳しく
(1)減数分裂を通じての性細胞の発達と成熟
(2)the development and maturation of sex cells through meiosis
