Eccrine

... - now it says "...is not secreted by sweat", which doesn't quite make sense to me. Nor does this make any difference between eccrine and apocrine glands, of which the latter produce fatty substances, afaik (although eccrine glands probably secrete traces of fats too?). Or ...

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... sebum, which moistens hairs and waterproofs the skin. Clogged sebaceous glands may produce acne. Sudoriferous (sweat) glands are of two types: eccrine and apocrine. Eccrine glands have an extensive ditribution; their ducts terminate at pores at the surface of the epidermis. Apocrine sweat glands ...

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