Although the mechanism of implantation has been described in a number of species, the human implantation process has not been studied in depth, It is difficult to obtain the earliest human specimens for studying the m...Although the mechanism of implantation has been described in a number of species, the human implantation process has not been studied in depth, It is difficult to obtain the earliest human specimens for studying the mechanism of implantation and antiimplantation, Therefore, it is neeessary, to establish the in vivoand in vitro appropriate animal model system for investigating implantation.展开更多
文摘Although the mechanism of implantation has been described in a number of species, the human implantation process has not been studied in depth, It is difficult to obtain the earliest human specimens for studying the mechanism of implantation and antiimplantation, Therefore, it is neeessary, to establish the in vivoand in vitro appropriate animal model system for investigating implantation.