n :  a simple tubular gland of the skin that secretes perspiration, in humans is widely distributed in nearly all parts of the skin, and consists typically of an epithelial tube extending spirally from a minute pore on the surface of the skin into the dermis or subcutaneous tissues where it ends in a convoluted tuft - called also sudoriferous gland , udoriparous gland  .
 
 
 
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