n. cleavage
misc. merogenesis ; segmentation of ovum
均等卵裂 [胚] equal cleavage
卵裂腔 blastocoel ; blastocele ; cavitas segmentioe ; [昆] segmentation cavity
卵裂球存活 survival blastomere
对称卵裂 bilateral segmentation ; [胚] bilateral cleavage
单卵裂球 Single blastomere ; cell stage mice embryo derived-blastomeres ; C-MEDB
异形卵裂 heteromorphic segmentation
不全卵裂的 [胚] meroblastic
换向卵裂 alternative segmentation
If the fertilization could be finished, a majority of the zygote can finish the first cleavage and develop into 2-cell embryo.
卵母细胞如能完成受精过程，大部分受精卵都能完成第一次卵裂，发育到2-细胞胚。
参考来源 - Aroclor 1254对小鼠生殖毒理的研究EZHTG decoction can improve the quality of oocyte , and then increase the ratio of fertilization, cleavage and pregnancy.
二至天癸方可因提高卵细胞质量而提高受精率、卵裂率与妊娠率。
参考来源 - 二至天癸方提高卵细胞质量与颗粒细胞IGF·2,447,543篇论文数据，部分数据来源于NoteExpress
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