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Scalp, thin skin,- low & med mag.
(Hairs are usually set in skin at an angle making perfect sections rare.)
The keratinized hair grows from the expanded hair bulb deep in the dermis & hypodermis. The bulb gives rise to the hair & portions of the follicle ie, inner epidermal root sheath.
The hair follicle surrounding the root of the hair is a tubular invagination of the epidermis and dermis, contributing the outer epidermal & dermal root sheaths. It is enwrapped by free nerve endings.