numerous small papules and pustules on tan back close up view

skin papules pustules condition dermatology medical health disease back texture close tan warm light soft human lesion cutaneous body educational dermatological problem disorder issue care medicine patient treatment diagnosis research science healthcare epidermis dermis anatomy physiology infection inflammatory papular pustular inflammation rash textbook journal website resource dermatologist doctor clinic hospital professional lesions bumps spots raised surface dermal epidermal subcutaneous pathology microbiology clinical