SEBACEOUS AND SWEAT GLANDS
Sebaceous glands (Sb) are usually associated with a hair and release their holocrine secretion (sebum) into the hair shaft which carries it to the surface. Sweat glands come in two varieties. The most numerous are the eccrine glands (Sw). The watery merocrine product of these glands travels through a duct to the surface of the skin. Here it evaporates and cools the body. Apocrine sweat glands are found around the areola of the nipple, in the labia majora and axilla. Their secretion is thicker and more odiferous than the eccrine secretion.