What term refers to the transplantation of living tissue from one species to another?

The term that refers to the transplantation of living tissue from one species to another is xenograft. This type of graft involves taking tissue from a donor of a different species, which is a crucial concept in veterinary medicine, especially concerning organ transplantation and tissue engineering.

Xenografts are utilized in various medical scenarios, including the potential use of porcine (pig) tissue in human transplantation due to physiological similarities. Understanding xenografts is essential for advancements in medical procedures that involve cross-species transplants, as they address challenges of compatibility and immune responses.

In contrast, the other terms refer to grafts involving different tissues or donors from the same species, which highlights the unique nature of xenografts in the field of veterinary medicine and transplantation.