Definition of blastula Blastula
blas•tu•la
We found 4 definitions of blastula from 4 different sources.
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What does blastula mean?
WordNet
NounPlural: blastulas |
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| blastula - early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs | ||
| blastosphere | ||
| conceptus, fertilized egg, embryo 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 | ||
| blastocele, blastocoel, blastocoele, cleavage cavity, segmentation cavity the fluid-filled cavity inside a blastula | ||
| blastocyst, blastodermic vessicle the blastula of a placental mammal in which some differentiation of cells has occurred | ||
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Wiktionary 
- blastula (Noun)
An early form in the development of an embryo, consisting of a spherical layer of cells filled with fluid; a blastosphere.
Webster DictionaryWebster's Unabridged Dictionary 📘
- blastula (n.)
That stage in the development of the ovum in which the outer cells of the morula become more defined and form the blastoderm.
Part of speech
🔤- blastula, noun, singular of blastulas.
