In developmental biology, the term Foetus is used to describe a developing mammal or other viviparous vertebrate, after the embryo stage but before birth.

The word Foetus comes form the Latin fetus which means offspring, bringing forth and hatching of young.

Associated Terms: Fetus, Fœtus, Foetuses, Fetuses

Also see:
Zygote
Embryo
Placenta
Uterus
Gestation Period
Delayed Implantation
Fertilization
Sexual Reproduction