Crystalline miliaria is due to obstruction to: (A) Sweat gland, (B) Sebaceous glands, (C) Accessory sweat gland, (D) Hair roots
Answer is A. Miliaria crystallina is caused by obstruction of the sweat ducts close to the surface of the skin Miliaria rubra, caused by obstruction of the sweat ducts deeper in the epidermis; Miliaria profunda, the result of sweat leaking into the middle layer of skin (dermis). Ref Harrison20th edition pg 1207