Microbiology Immunology 4c87d464 Lysozyme is present in the following secretions of the body except: A Lacrimal secretions B CSF C Saliva D Respiratory tract secretions High-Yield Explanation Ans. is 'b' i.e., CSF(Ref: Ananthanarayan, 9th/e, p. 80 and 8th/e, p. 85)* Lysozyme is present in all secretions except CSF, sweat and urine.