The body location or part from which tissue is taken for TRANSPLANTATION.

Individuals supplying living tissue, organs, cells, blood or blood components for transfer or transplantation to histocompatible recipients.

Non-cadaveric providers of organs for transplant to related or non-related recipients.

The transference of a kidney from one human or animal to another.

Tongues of skin and subcutaneous tissue, sometimes including muscle, cut away from the underlying parts but often still attached at one end. They retain their own microvasculature which is also transferred to the new site. They are often used in plastic surgery for filling a defect in a neighboring region.

The grafting of skin in humans or animals from one site to another to replace a lost portion of the body surface skin.