权威例句
Conceptus signals for establishment and maintenance of pregnancyTime of Implantation of the Conceptus and Loss of PregnancyTime of Implantation of the Conceptus and Loss of PregnancyTime of Implantation of the Conceptus and Loss of PregnancyTime of implantation of the conceptus and loss of pregnancy.Evidence for maternal regulation of early conceptus growth and development in beef cattle.Endometrial glands are required for preimplantation conceptus elongation and survivalPregnancy recognition and conceptus implantation in domestic ruminants: roles of progesterone, interferons and endogenous retrovirus...Conceptus development in intact and unilaterally hysterectomized-ovariectomized gilts: interrelations among hormonal status, placent...Synthesis of -fetoprotein by liver, yolk sac, and gastrointestinal tract of the human conceptus.