In humans,corneal transplants are rarely reje | vedclass

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(B) The cornea is the transparent anterior part of the eye. It is an avascular structure,meaning it lacks a direct blood supply. Since the immune syst

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it does not have a blood supply.

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(B) The cornea is the transparent anterior part of the eye. It is an avascular structure,meaning it lacks a direct blood supply. Since the immune system's cells (like lymphocytes) reach tissues primarily through the bloodstream,the lack of blood vessels in the cornea makes it an 'immune-privileged' site. Therefore,the body's immune system does not easily recognize or attack the transplanted corneal tissue,leading to a very low rate of rejection.

In humans,corneal transplants are rarely rejected because,

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