单词

字典词典单词成语造句名言诗词古籍小说

blastula

英 ['blæstjʊlə] 美 ['blæstʃʊlə]

n. [胚] 囊胚，囊胚泡

双语例句

1. It enter the late blastula stage in 6 h 50 min.: 6小时50分进入低囊胚期.

2. The cells of the blastula , called blastomeres, also each receive a full diploid set of chromosomes.: 这些囊胚细胞, 称卵裂球, 每个细胞都有一套二倍体染色体组.

3. The outer layer of a blastula that gives rise to the ectoderm after gastrulation.: 外胚层囊胚的外层,在原肠胚形成之后生后外胚层组织.

4. However , content of the dissolvable protein and amino acid during gastrula stage during blastula stage.: 总氨基酸含量在胚胎发育早期下降较快, 胚胎发育至后无节幼体期氨基酸含量下降幅度变缓.