What are the stages of embryonic development of multicellular development?
| July 13, 2021 | education
Consider human development. The origin of the organism begins after the fertilization of the egg with the sperm. A zygote is formed. It is actively dividing and this is how the embryo is formed. The embryonic period is the first trimester of intrauterine development. The embryo is not very much like a human baby. It has a peculiar shape of the head, tail, chord, gill slits. They change and disappear only by the beginning of the second trimester. Moreover, these stages do not have clear boundaries, but smoothly flow from one stage to another.
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