Which one of the following stains is specific for Amyloid ?: (A) Periodic Acid schif (PAS), (B) Alzerian red, (C) Congo red, (D) Von - Kossa
Answer is C. Ans. is 'c' i.e., Congo Red"To differentiate amyloid from other hyaline deposits (eg. Collagen and fibrin), a variety of histochemical techniques are used, of which the most widely used is Congo Red"