|any of the coiled tubular subcutaneous glands that secrete sweat by means of a duct that opens on to the skin|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
sweat gland n.
Any of the small, tubular glands that are found nearly everywhere in the skin of humans, that secrete perspiration externally through pores, and that comprise the apocrine sweat and eccrine glands. Also called sudoriferous gland.
Any of the numerous small, tubular glands that are found in the skin of many mammals and that secrete sweat externally through pores to help regulate body temperature. In humans and some other mammals, sweat glands are distributed over most of the body surface.