Graft versus Host reaction is caused by -
The graft mounts an immune response against the antigens of the host is called graft-versus-host reaction. The immunocompetent T cells of the graft are responsible for this reaction. The recipient possesses transplantation antigens that are absent in the graft. Reference:athanarayan & paniker's 9th edition, pg no: 186 <\p>
B-Lymphocytes
T-Lymphocytes
Macrophages
Complement
Immunology