Benennung für die Frucht im Mutterleib ab dem 3.Monat.
In den ersten beiden Monaten wird die Frucht Embryo genannt.
ETYM Latin fetus, foetus, a bringing forth, brood, offspring, young ones, cf. fetus fruitful, fructified, that is or was filled with young; akin to Eng. fawn a deer, fecundity, felicity, feminine, female, and prob. to do, or according to others, to be.
(Irregular plural: fetuses).
An unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal; SYN. foetus.
Stage in mammalian embryo development. The human embryo is usually termed a fetus after the eighth week of development, when the limbs and external features of the head are recognizable.