• AutistoMephisto@lemmy.world
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      9 months ago

      I’ll need to do proper research, but to my understanding the embryo is an egg(ovum). I’m not sure at what point an ovum becomes an embryo, but I’m fairly certain it’s shortly after a sperm cell penetrates the outer layer and begins the mitosis.

      • cholesterol@lemmy.world
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        9 months ago

        An embryo results from the fusion of an egg and a sperm (both are called ‘gametes’), and although the embryo is initially more reminiscent of an egg than a sperm, it is not itself an egg (or a sperm). The person I replied to is conflating eggs and embryos.