Immune privilege site is:: (A) Optic nerve, (B) Seminiferous tubule, (C) Area posterna, (D) Spinal cord
Answer is B. Immune privilege sites are: Brain - pa that lies within the BBB. Area postrema lies outside BBB Eye - Cornea and retinal pigment epithelium Testis - Seminiferous tubules Exposure of immune privilege site to body tissues leads to damage of the organ involved(brain eyes testis ). This forms the pathophysiology for sympathetic ophthalmitis