fertilized egg (noun) fetus: unborn young
Detalii: a human embryo is the earliest stage of development while a fetus is from the eighth week of development to birth
Sinonime: blackout, dullness,
faint, hebetude, insensibility,
lethargy,
oblivion,
sleep,
slumber, somnolence,
stupor,
swoon, syncope, torpidity,
torpor,
tranceAntonime: alertness,
consciousness, wakefulness