Canadian Medical Guide > Biological Sciences > Biological Phenomena, Cell Phenomena, and Immunity > Immunity > Immunity, Cellular > Transplantation Immunology Terms and Definitions

Transplantation Immunology

Medical Definition:	A general term for the complex phenomena involved in allo- and xenograft rejection by a host and graft vs host reaction. Although the reactions involved in transplantation immunology are primarily thymus-dependent phenomena of cellular immunity, humoral factors also play a part in late rejection.
Guide Notes:	IM; DF: TRANSPL IMMUNOL

Transplantation Immunology Categories.

	Graft vs Host Reaction - An immunological attack mounted by a graft against the host because of tissue incompatibility when immunologically competent cells are transplanted to an immunologically incompetent host; the resulting clinical picture is that of GRAFT VS HOST DISEASE.
	Histocompatibility - The degree of antigenic similarity between the tissues of different individuals, which determines the acceptance or rejection of allografts.
	Host vs Graft Reaction - The immune responses of a host to a graft. A specific response is GRAFT REJECTION.

Transplantation Immunology Medical Definitions and Terms

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