Sweat gland
Sweat glands were small tubular structures of the skin that produced sweat.

Arkonians did not appear to have sweat glands. ()

In 2370, when Juliana Tainer was found to be a Soong-type android, she was discovered to possess sweat glands ()

Mylean sweat glands produced a strong but not unbearable odor. In 2374, Neelix developed Mylean sweat glands as a result of Srivani experiments. ()

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Glands