Fetus
English Meaning
The young or embryo of an animal in the womb, or in the egg; often restricted to the later stages in the development of viviparous and oviparous animals, embryo being applied to the earlier stages.
- The unborn young of a viviparous vertebrate having a basic structural resemblance to the adult animal.
- In humans, the unborn young from the end of the eighth week after conception to the moment of birth, as distinguished from the earlier embryo.