| 单词 | 裂球 |
| 释义 | 〔holoblastic〕Exhibiting cleavage in which the entire egg separates into individual blastomeres.全裂的：裂纹出现，整个卵细胞分裂为不同的裂球〔morula〕The spherical embryonic mass of blastomeres formed before the blastula and resulting from cleavage of the fertilized ovum.桑椹胚：形成于囊胚之前且处于胚胎期内的球形裂球群，由受精卵细胞的分裂而成〔ectomere〕Any of the blastomeres from which the ectoderm develops.外裂球：任一种发育成外胚层的裂球 |
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