Fetus

Definitions

1. An unborn or unhatched vertebrate showing signs of the mature animal.
   Australia, Canada, US, also
2. A human embryo after the eighth week of gestation.
   Australia, Canada, US, also
3. A neonate.
   Australia, Canada, US, also, archaic

Equivalents

Examples

“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.”

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

“Though scientists do not know⟳ how stress⟳ affects gestation, Fukuda theorizes that the vulnerability of Y-bearing sperm cells, male embryos and/or male fetuses to stress⟳ is why “subtle significant changes in sex ratios” occur⟳. […] The factors that filter out who “gets through” from conception to birth include⟳ chromosomal or genetic abnormalities of the fetus or the mother’s stress⟳ response to changes in her environment, Catalano said.”

“The real essence of that or any other sort⟳ of substances, it is evident, we know⟳ not; and therefore are so undetermined in our nominal essences, which we make⟳ ourselves, that, if several men were to be asked concerning some oddly-shaped fœtus, as soon as born, whether it were a man or no, it is past doubt⟳ one should meet⟳ with different answers.”

CEFR level