NOMBRE | animal | blástula, blastósfera, blastosphere | early stage / stage of an embryo produced by cleavage of an ovum |
---|
Sentido | Early 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. | |
---|---|---|
Sinónimos | blastósfera, blastosphere | |
Partes | blastocele | The fluid-filled cavity inside a blastula |
trofoblasto | The membrane that forms the wall of the blastocyst in early development | |
Específico | blastocisto | The blastula of a placental mammal in which some differentiation of cells has occurred |
General | embrión | An 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 |
Inglés | blastula, blastosphere | |
Catalán | blastosphere, blàstula | |
Adjetivo | blastoférico, blastular | Of or relating to a blastula |
©2001-24 · HyperDic hyper-dictionary · Contact