HyperDic: blàstula

Català > 1 sentit de la paraula blàstula:
NOManimalblàstula, blastosphereearly stage / stage of an embryo produced by cleavage of an ovum
Català > blàstula: 1 sentit > nom 1, animal
SentitEarly 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.
Sinònimblastosphere
Partsblastocele, blastocelThe fluid-filled cavity inside a blastula
trofoblastThe membrane that forms the wall of the blastocyst in early development
EspecíficblastocistThe blastula of a placental mammal in which some differentiation of cells has occurred
GeneralembrióAn 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
Anglèsblastula, blastosphere
Espanyolblastósfera, blastosphere, blástula

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