early human developmen

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Human embryonic development, or human embryogenesis, is the development and formation of the human embryo. It is characterised by the processes of cell division and cellular differentiation of the embryo that occurs during the early stages of development. In biological terms, the development of the human body entails growth from a one-celled zygote to an adult human being. baby pregnancy life child fetal medical medicine birth vector reproduction ultrasound uterus umbilical pregnant growth womb illustration newborn motherhood mother science