| 单词 | 胚胎期 |
| 释义 | 〔rhombencephalon〕The portion of the embryonic brain from which the metencephalon and myelencephalon develop. Also called hindbrain 菱脑：胚胎期脑的一部分，由之发育出后脑及终脑 也作 hindbrain〔myelencephalon〕The posterior portion of the embryonic hindbrain, from which the medulla oblongata develops.末脑：胚胎期后脑的后部，延髓在此发育〔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 |
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