Engelsk substantiv: blastula | |||
1. | blastula (om dyr) 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 | ||
Ord med samme betydning (synonymer) | blastosphere | ||
Mindre spesifikke uttrykk | conceptus, embryo, fertilized egg | ||
Mere spesifikke uttrykk | blastocyst, blastodermic vessicle | ||
Omfatter disse spesifikke uttrykk | blastocele, blastocoel, blastocoele, cleavage cavity, segmentation cavity, trophoblast | ||