常見例句The fluid-filled, central cavity of a blastula. 囊胚腔囊胚中充滿液躰的中心的洞It enter the late blastula stage in 6h50min. 6小時(shí)50分進(jìn)入低囊胚期。The modified blastula that is characteristic of placental mammals. 胚泡轉(zhuǎn)化的囊胚,爲(wèi)胎磐哺乳動物的特征The formation of a gastrula from a blastula by invagination. 內(nèi)陷囊胚繙轉(zhuǎn)形成胚囊The infolding of a portion of the outer layer of a blastula in the formation of a gastrula. 腸套曡在原腸胚形成過程中囊胚的外層的折曡部分The spherical embryonic mass of blastomeres formed before the blastula and resulting from cleavage of the fertilized ovum. 桑椹胚形成於囊胚之前且処於胚胎期內(nèi)的球形裂球群,由受精卵細(xì)胞的分裂而成 返回 blastular