fetus

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See also: foetus and fétus

English[edit]

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A fetus at eight weeks from conception.

Alternative forms[edit]

Etymology[edit]

Borrowing from Latin fētus(offspring).

Pronunciation[edit]

Noun[edit]

fetus ‎(plural fetuses or feti)

  1. (Canada, US) An unborn or unhatched vertebrate showing signs of the mature animal.
    • 1963, John W Choate, ‎Henry A. Thiede, University of Rochester School of Medicine and Dentistry, Transcript, Volume 2
      Several feti were removed from every rats' uterus, stripped of their membranes and allowed to lie in the peritoneal cavity connected to the placenta by the umbilical cord and with the placenta still attached to the uterine wall.
  2. (Canada, US) A human embryo after the eighth week of gestation.
    The sequence is: molecules in reproductive systems, then gametes, zygotes, morulas, blastocysts, and then fetuses.

Usage notes[edit]

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

Derived terms[edit]

Translations[edit]

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Anagrams[edit]


Latin[edit]

Etymology[edit]

From Proto-Indo-European *dʰeh₁(y)-, see also Sanskrit धयति(dhayati), Avestan 𐬛𐬀𐬉𐬥𐬎(daēnu), Old Armenian դիեմ(diem) and Old Church Slavonic доити(doiti).

Pronunciation[edit]

Adjective[edit]

fētus m ‎(feminine fēta, neuter fētum); first/second declension

  1. pregnant, full of young
  2. fruitful, productive
  3. of one who has recently given birth; nursing

Inflection[edit]

First/second declension.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
nominative fētus fēta fētum fētī fētae fēta
genitive fētī fētae fētī fētōrum fētārum fētōrum
dative fētō fētō fētīs
accusative fētum fētam fētum fētōs fētās fēta
ablative fētō fētā fētō fētīs
vocative fēte fēta fētum fētī fētae fēta

References[edit]

Noun[edit]

fētus m ‎(genitive fētūs); fourth declension

  1. A bearing, birth, bringing forth.
  2. Offspring, young, progeny.
  3. Fruit, produce.
  4. (figuratively) Growth, production.

Inflection[edit]

Fourth declension.

Case Singular Plural
nominative fētus fētūs
genitive fētūs fētuum
dative fētuī fētibus
accusative fētum fētūs
ablative fētū fētibus
vocative fētus fētūs

Descendants[edit]

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Serbo-Croatian[edit]

Pronunciation[edit]

  • IPA(key): /fěːtus/
  • Hyphenation: fe‧tus

Noun[edit]

fétus m ‎(Cyrillic spelling фе́тус)

  1. fetus

Declension[edit]