单词	preimplantation
释义	preimplantation adjective pre·​im·​plan·​ta·​tion ˌprē-ˌim-ˌplan-ˈtā-shən  : of, involving, or being an embryo before uterine implantation Word History First Known Use 1945, in the meaning defined above Medical Definition preimplantation adjective pre·​im·​plan·​ta·​tion -ˌim-ˌplan-ˈtā-shən  : of, involving, or being an embryo before uterine implantation
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