HyperDic: blastosphere

English > 1 sense of the word blastosphere:
NOUNanimalblastosphere, blastulaearly stage / stage of an embryo produced by cleavage of an ovum
English > blastosphere: 1 sense > noun 1, animal
MeaningEarly stage / stage of an embryo produced by cleavage of an ovum; a liquid / liquid-filled sphere whose wall / 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.
Synonymblastula
Partsblastocoel, blastocoele, blastocele, segmentation cavity, cleavage cavityThe fluid-filled cavity inside a blastula
trophoblastThe membrane that forms the wall of the blastocyst in early development
Narrowerblastocyst, blastodermic vessicleThe blastula of a placental mammal in which some differentiation of cells has occurred
Broaderembryo, conceptus, fertilized eggAn animal organism in the early stages / stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
Spanishblastósfera, blastosphere, blástula
Catalanblastosphere, blàstula
Adjectivesblastosphericof or relating to a blastula

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