The use of embryonic and fetal tissue has raised ethical questions among some, and brings with it the possibility of immune rejection. 利用胚胎和胎兒組織進行移植存在一定程度的倫理問題，同時可能會帶來免疫排斥。
In this article we reviewed the research progresses about the surgery techniques and immunosuppression of the immunologic rejection of tongue allotransplantation. 本文就舌同種異體移植外科技術方面及抑制免疫排斥反應等方面的研究進展作一綜述。
