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n. Chiefly British
Variant of fetus.
fe·tus, pl. fetuses (fē'tŭs, -ĕz)
1. The unborn young of a viviparous animal after it has taken form in the uterus.
2. In humans, the product of conception from the end of the eighth week to the moment of birth.
foetusThe widely-used but incorrect spelling of FETUS.
foetusthe EMBRYO of mammals from the time when it achieves the main features of the adult form. This is usually at the time of the formation of the AMNION which is after about eight weeks of pregnancy in women. See AMNIOCENTISIS and Fig. 29 .
fe·tus, pl. fetuses (fē'tŭs, -ĕz) Avoid the incorrect plural feti.
In humans, product of conception from the end of the eighth week of gestation to the moment of birth.