Origin: epidermis
Location: over entire body surface except for the lips and part of the external genitalia
Function: regulation of body temperature
Composition: simple coiled tubular gland lining with simple pseudostratified epithelium
Cells:
Function: production of the watery component of the sweat
Function: production of the glycoprotein substances
Function: contraction
Function: formation the wall of duct
Location: associate with hair follicle limited to the axilla, areola and nipple of the mammary gland, external genitalia, ceruminous glands of the ear canal and glands of Moll of the eyelid
Composition: simple coiled tubular gland lining with simple columnar epithelium
Cells:
Function: secretion that contains protein, carbohydrate, ammonia, and lipid.
Function: contraction
Function: formation the wall of duct