Xenotransplantation refers to transplantation across species, that is, from animals to humans, as in the transplantation of heart values obtained from pigs.

Xenotransplantation is a medical term that refers to the transplantation of organs or tissues from one species to another. It is not a term that is typically used in the field of psychology.

In the medical field, xenotransplantation is a controversial area of research that involves transplanting organs or tissues from animals, such as pigs or monkeys, into humans. This type of transplantation is being explored as a potential solution to the shortage of donor organs for human transplantation, as it could potentially allow for a larger pool of organs to be available for transplantation.

However, xenotransplantation is also a controversial area of research due to the potential risks involved, including the risk of transmitting animal diseases to humans and the potential for immune rejection of the transplanted organs or tissues.

Overall, xenotransplantation is a medical term that refers to the transplantation of organs or tissues from one species to another, and it is not a term that is typically used in the field of psychology.