blastosphere معنى
- كُرَةٌ أَرومِيَّة
تعريف الإنجليزية
الأسماء- 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
مرادفات blastula