Waiting times information is also used locally in the. management of elective surgery. National data on elective surgery waiting times includes data on the clinical urgency of the. patient, that is, on how quickly the patient should have surgery.
These areas of skin have the most oil (sebaceous) glands. Acne occurs when hair follicles become plugged with oil and dead skin cells. Hair follicles are connected to oil glands. These glands secrete an oily substance (sebum) to lubricate your hair and skin.
Acne occurs when the pores on your skin become blocked with oil, dead skin, or bacteria. Each pore on your skin is the opening to a follicle. The follicle is made up of a hair and a sebaceous (oil) gland.