The basis of graft rejection in the earthworms Lumbricus terrestris and Eisenia foetida |
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Authors: | RP Dales |
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Institution: | Department of Zoology, Bedford College (University of London), Regent''s Park, London NW1 4NS, England |
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Abstract: | Body wall grafts have been exchanged between Lumbricus terrestris and Eisenia foetida unicolor, and the survival times of second-set grafts and a limited number of third-set grafts have been compared with those of first-set grafts. Survival of grafts has also been studied following implantation. The results do not support the hypothesis that second-set rejection is accelerated due to an immune response as in higher vertebrates. Evidence is presented that Eisenia are individually different and that the differential graft survival may be due to tissue incompatibility, survival times depending on the degree of difference in the environment presented by the recipient. |
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Keywords: | Grafting earthworms |
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