The embryo as allograft |
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Authors: | S Sandor |
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Abstract: | The main problems and experimental results with respect to the mechanism by which the embryo, as "allograft", is tolerated within the maternal organism are reviewed. The following hypotheses are discussed: the immunological "immaturity" of the embryo and of its appendages; the immunological incompetence of the maternal organism; the uterus as an immunologically "privileged" area; the existence of an immunological barrier between the mother and the embryo. |
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