单词 | fetus |
释义 | fetus/ˈfiːtəs![]() (British (in non-technical use) also foetus) noun (plural fetuses) An unborn or unhatched offspring of a mammal, in particular, an unborn human more than eight weeks after conception.A small subset of fetuses with large lung lesions will become hydropic, deteriorate rapidly, and die in utero....
Synonyms embryo, fertilized egg, unborn baby, unborn child UsageThe spelling foetus has no etymological basis but is recorded from the 16th century and until recently was the standard British spelling in both technical and non-technical use. In technical usage fetus is now the standard spelling throughout the English-speaking world, but foetus is still found in British English outside technical contexts. OriginLate Middle English: from Latin fetus 'pregnancy, childbirth, offspring'.
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