Thymectomy causes -: (A) Failure of rejection of transplanted organs, (B) Myastheina gravis, (C) Autoimmune disorders, (D) None of the above
Answer is A. • In adult life, thymectomy has no demonstrable effect on antibody response or upon homograft survival.
• However, it has been shown that thymectomy in adult mice, combined with total body irradiation, can result in homograft tolerance of a high degree.
• This finding suggests that the thymus gland may resume its perceptor function in adult life under circumstances in which there is temporary suppression of the lymphopoietic system.