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Embryo vs Fetus - What's the difference?

embryo | fetus |

Fetus is a related term of embryo.



As nouns the difference between embryo and fetus

is that embryo is in the reproductive cycle, the stage after the fertilization of the egg that precedes the development into a fetus while fetus is an unborn or unhatched vertebrate showing signs of the mature animal.

embryo

English

Alternative forms

* (plural forms) * (plural forms) * (plural forms)

Noun

(en-noun)
  • In the reproductive cycle, the stage after the fertilization of the egg that precedes the development into a fetus.
  • An organism in the earlier stages of development before it emerges from the egg, or before metamorphosis.
  • In viviparous animals, the young animal's earliest stages in the mother's body
  • In humans, usually the cell growth up to the end of the seventh week in the mother's body
  • (botany) A rudimentary plant contained in the seed.
  • The beginning; the first stage of anything.
  • * Jonathan Swift
  • The company little suspected what a noble work I had then in embryo .
  • * 1749 , Henry Fielding, Tom Jones , Folio Society 1973, page 419:
  • it dives into the heart of the observed, and there espies evil, as it were, in the first embryo [...]

    Derived terms

    * embryology * embryonic

    Anagrams

    * ----

    fetus

    English

    Alternative forms

    * foetus * * (chiefly Canadian and US) fetus * phoetus, * faetus,

    Noun

    (es)
  • (Canada, US) An unborn or unhatched vertebrate showing signs of the mature animal.
  • (Canada, US) A human embryo after the 8th week of gestation.
  • The sequence is; molecules in reproductive systems, then gametes, zygotes, morulas, blastocysts, and then fetuses .

    Usage notes

    * The form fetus is preferred in North America and in the scientific community, whereas foetus is still commonly used in Commonwealth nations.

    Derived terms

    * (l)

    See also

    * embryo * ("fetus" on Wikipedia)

    References

    * Health Online

    Anagrams

    * ----