The lack of immune response to a xenograft of mouse cells in an immunocompetent rabbit model may suggest an as yet unrecognized immunoprivileged site within the intervertebral disc space.
具免疫活性的兔模型中缺乏对小鼠细胞异种移植物的免疫反应，表明椎间盘内可能存在尚不为人知的免疫豁免部位。
Objective on the rat model of heterotopic heart transplantation, the mechanism of immune tolerance induced by portal venous injection of donor spleen cells was studied.
目的利用大鼠异位心脏移植模型，探讨门静脉注射供体脾细胞诱导免疫耐受的机制。
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