fe·tus (f  t s)n. pl. fe·tus·es 1. The unborn young of a viviparous vertebrate having a basic structural resemblance to the adult animal. 2. 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. [Middle English, from Latin f tus, offspring; see dh(i)- in Indo-European roots.] |
fetus, foetus [ˈfiːtəs]
n pl -tuses
(Life Sciences & Allied Applications / Biology) the embryo of a mammal in the later stages of development, when it shows all the main recognizable features of the mature animal, esp a human embryo from the end of the second month of pregnancy until birth Compare embryo [2]
[from Latin: offspring, brood]
| fetus (fts) The unborn offspring of a mammal at the later stages of its development, especially a human from eight weeks after fertilization to its birth. In a fetus, all major body organs are present. fetal adjective |
fetus - A human embryo starts to be called a fetus at nine weeks.
See also related terms for months.
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  fetus - an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animalabortus - a human fetus whose weight is less than 0.5 kilogram when removed or expelled from the mother's body craniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium ductus arteriosus - a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta; normally closes at birth umbilical, umbilical cord - membranous duct connecting the fetus with the placenta baby - an unborn child; a human fetus; "I felt healthy and very feminine carrying the baby"; "it was great to feel my baby moving about inside" |
fetus foetus
noun embryo, unborn child, fertilized egg The fetus can see, hear, experience and taste.
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