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type of sweat gland. in perspiration. When the body temperature rises, the sympathetic nervous system stimulates the eccrine sweat glands to secrete water to the skin surface, where it cools the body by evaporation. Thus, eccrine sweat is an important mechanism for temperature control.
Apocrine sweat glands are less common on the body, only found in the armpits, groin, and around the nipples. Apocrine sweat is a sticky, cloudy, and smelly secretion; unlike eccrine secretions which are more clear and odorless.