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Fetus: The unborn offspring from the end of the 8th week after conception (when the major structures have formed) until birth. Up until the eighth week, the developing offspring is called an embryo.
Library > Literature & Language > Dictionary ( fē ' təs ) n. , pl. , -tus·es . The unborn young of a viviparous vertebrate having a basic structural resemblance to ...
noun, plural -tus·es. Embryology . (used chiefly of viviparous mammals) the young of an animal in the womb or egg, especially in the later stages of development when ...
Definition of FETUS: an unborn or unhatched vertebrate especially after attaining the basic structural plan of its kind; specifically: a developing human from usually ...
Fetus: The unborn offspring from the end of the 8 th week after conception (when the major structures have formed) until birth. Up until the eighth week, the developing ...
A fetus (or foetus or fœtus) is a developing human, after the embryonic stage and before childbirth. The plural is fetuses, or sometimes feti. The fetal stage of ...