The unborn young of a viviparous mammal, in the postembryonic period, after the major structures have been outlined. In humans, the unborn young from the end of the eighth week after CONCEPTION until BIRTH, as distinguished from the earlier EMBRYO, MAMMALIAN.

Annotation

mammalian only; human: 3d month to term; fetus in fetu: index under FETUS /abnorm; FETUS and PREGNANCY: Manual 18.4.3, 21.55; specialty for fetus & newborn infant = PERINATOLOGY; lithopedion: coordinate FETUS (IM) + CALCINOSIS (IM); intrauterine surgery goes under FETUS /surg; fetal organs & tissues in tissue & cell cultures: coordinate FETUS + organ or tissue without qualifiers + culture term, all probably NIM

DUI

D005333 MeSH Browser

CUI

M0008419

History note

1972 (1963)

Public note

1972