| 释义 |
pre-implanˈtation, a. Biol.
[pre- B. 2.]
Occurring or existing between the fertilization of an ovum and its implantation in the wall of the uterus.
1945W. J. Hamilton et al. Human Embryol. v. 49 (heading) Pre-implantation period. Ibid. 50 The pre-implantation stages of the human ovum must be essentially the same as those of the monkey. 1968Nature 9 Nov. 596/1 Mosaicism, extending to most tissues of the body in mice, was achieved by fusing pre-implantation embryos together in vitro. 1972R. L. Brinster in Balin & Glasser Reproductive Biol. xx. 751 In the human, where the gestation period is 270 days, the pre-implantation period is still only 8 days. |