The use of embryonic and fetal tissue has raised ethical questions among some, and brings with it the possibility of immune rejection. 利用胚胎和胎儿组织进行移植存在一定程度的伦理问题，同时可能会带来免疫排斥。
In this article we reviewed the research progresses about the surgery techniques and immunosuppression of the immunologic rejection of tongue allotransplantation. 本文就舌同种异体移植外科技术方面及抑制免疫排斥反应等方面的研究进展作一综述。
