Fetus meaning

fētəs
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The definition of a fetus is an unborn offspring of an animal with a vertebrae or human.

A baby that has been in its mother's stomach growing for 18 weeks is an example of a fetus.

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The unborn young of a viviparous vertebrate having a basic structural resemblance to the adult animal.
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The unborn young of a viviparous vertebrate having a basic structural resemblance to the adult animal.
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In humans, the unborn young from the end of the eighth week after conception to the moment of birth, as distinguished from the earlier embryo.
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The unborn offspring of a mammal at the later stages of its development, especially a human from eight weeks after fertilization to its birth. In a fetus, all major body organs are present.
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An unborn or unhatched vertebrate showing signs of the mature animal.
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A human embryo after the 8th week of gestation.

The sequence is; molecules in reproductive systems, then gametes, zygotes, morulas, blastocysts, and then fetuses.

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In humans, the unborn young from the end of the eighth week after conception to the moment of birth, as distinguished from the earlier embryo.
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An unborn offspring of a vertebrate animal that is still in the uterus or egg, esp. in its later stages and specif., in humans, from about the eighth week after conception until birth.
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Origin of fetus

  • Middle English from Latin fētus offspring dhē(i)- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin fētus (“offspring”).

    From Wiktionary