Anatomy of a Hair Follicle
Hair : Made from a protein called Keratin. It has 3 layers. The innermost layer is the medulla, the middle layer is the cortex and the outermost layer is called the cuticle. Sebum : A natural skin conditioner. The oil protects the hair and makes it shiny. Follicle : Contains several different parts. At the base is a bulb shaped structure containing the papilla. The papilla is fed by small capillaries which bring it nutrients and carry away waste. Higher up it contains an inner and outer sheath. The sheaths protect the hair while it is under development and shape and guide it. Sebaceous Gland : Produces Sebum.
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