Definiciones
1.NounIn the reproductive cycle, the stage after the fertilization of the egg that precedes the development into a fetus.
2.NounAn organism in the earlier stages of development before it emerges from the egg, or before metamorphosis.
3.NounIn a viviparous animal, the young animal's earliest stages in the mother's body.
4.NounIn a human, usually the cell growth of the child within the mother's body, through the end of the seventh week of pregnancy.
5.NounA rudimentary plant contained in the seed.
6.NounThe beginning; the first stage of anything.