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- 20:47, 13 October 2023 Nasirkhan talk contribs created page Embryo (Created page with "'''Embryo''' is the early developmental stage of all multicellular organisms. In general, embryonic development is the part of the life cycle that begins just after fertilization. The fertilized egg undergoes a series of cellular divisions known as cleavage without increasing cell mass up until 6 or 7 days and moving downward gradually in the fallopian tube. Only nuclear material (chromatin) is synthesized between divisions at the expense of the cytoplasmic substance of...")