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Fetus Definition and Explanation PDF | Download eBooks

Learn Fetus definition in biology with explanation to study “What is Fetus”. Study fetus explanation with biology terms to review biology course for online degree programs.

Fetus Definition:

  • At 8 weeks, all the major structures of the adult are present in rudimentary form, and the embryo is called a fetus.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson

Fetus Explanation:

A fetus is the unborn progeny of an animal that grows from an embryo. In humans, the fetal development begins from the ninth week after fertilization and carries on until birth. A fetus is characterized by the presence of all the major body organs, although they will not yet be fully settled or functioning and some might not even be at their final place in the body but they are present still.

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