BSL Sign Language Dictionary

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How to sign: 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

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Similiar / Same: blastodermic vesicle

Categories: conceptus, embryo, fertilized egg

Within this category: blastosphere

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