Which type of graft is associated with having no immune rejection?

An autograft is associated with having no immune rejection because it involves transplanting tissue from one site to another within the same individual. Since the graft originates from the patient’s own body, the immune system recognizes the tissue as "self," eliminating the risk of an immune response that could lead to rejection. This characteristic makes autografts particularly advantageous in tissue engineering and surgical procedures, as they promote better healing and integration compared to grafts that originate from a different individual or species.

In contrast, allografts (tissue from a donor of the same species) and xenografts (tissue from a different species) are more susceptible to immune rejection because the recipient's immune system may identify these tissues as foreign. Hence, even though techniques exist to mitigate rejection, the potential for immune response remains a significant consideration in those graft types.