Medullary index of Human hair is: (A) 1:01, (B) 1:02, (C) 1:03, (D) 1:05
Answer is C. Medullary index has been in use for determining the species origin of hair; the index is 0.3 or less in human hairs; in animals it is more than 0.3. Ref:- Review of Dermatology by Alikhan; pg num:-11