This Enlarged cylindrical cross-section of skin with relief detail displays 3 skin conditions. Acne pustule (pimple),Closed Comedo (Whitehead),Open Comedo (Blackhead) on the backside. Also shown is a normal section of skin with the epidermis, dermis,and subcutaneous tissue, including the hair follicle. This Anatomy model measures 4 1/4 " Diam x 5".