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block15_21.jpg - Fig. 4-2 Sebaceous glands and sweat glands. Sebaceous glands secrete sebum thatcoats the hair and skin surface. Sweat gland is arranged as a simple coiled tubular structure composed of a secretory segment located deep in the dermis or in the upper part of the hypodermis and a directly continuous duct segment that leads to the epidermal surface.

Fig. 4-2 Sebaceous glands and sweat glands. Sebaceous glands secrete sebum that coats the hair and skin surface. Sweat gland is arranged as a simple coiled tubular structure composed of a secretory segment located deep in the dermis or in the upper part of the hypodermis and a directly continuous duct segment that leads to the epidermal surface.
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