1. 个体发育：第二章 昆虫的胚前发育 一般认为,除孤雌生殖的种类外昆虫的个体发育(ontogenesis)是从合子形成 开始的.但近期的研究表明,果蝇卵细胞在产生过程中就已经参与快速胚胎 发育.加之胚胎发育又在卵中进行,所以在讨论昆虫个体发育过程时,

1. (biology) the process of an individual organism growing organically
    a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level

    e.g. he proposed an indicator of osseous development in children

    Synonym: growthgrowingmaturationdevelopmentontogeny