| 单词 | morula |
| 释义 | morula (once / 251475 pages) n WORD FAMILY morula USAGE EXAMPLESThat stage in the development of the ovum in which the outer cells of the morula become more defined and form the blastoderm. Webster, Noah, Webster's Unabridged Dictionary—(2n...(2012) In a Morula the smaller cells, which contain less yolk-material, gradually grow around the larger yolk-containing cells to form the Gastrula. ?Malley, Austin, Essays In Pastoral Medicine(2012) This mass is termed by embryologists “the morula.” Leighton, Gerald R., Embryology—The Beginnings of Life(2011) n a solid mass of blastomeres that forms when the zygote splits; develops into the blastula Hyper conceptus, embryo, fertilized egg an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life |
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