puberty and gastrulation!!
Gastrulation & Differentiation
Prenatal development occurs in three main stages: the germinal stage (first two weeks after conception), the embryonic stage (weeks 3-8), and the fetal stage (weeks 9-birth). During these stages, the fertilized egg undergoes cell division, differentiation, and organ formation, leading to the development of a fetus.
embryonic
No. The embryo and the fetus are two separate stages in a baby's prenatal development.
18-22 days 18-22 days
meiosis...fertilization...mitosis
meiosis...fertilization...mitosis
In mammals, the site of embryo development is the uterus.
1. xygote 2. gamete 3. embryo 4. fetus (also spelled foetus, fœtus, faetus or fætus) 5. infant...
An organism in the early stages of its development is an embryo.
Gastrulation marks the beginning of germ layer development in an embryo.
An embryo during the late stages of development is known as a fetus.