Sinonimi: duct gland
A gland that secretes externally through a duct; SYN. duct gland.
Gland that discharges secretions, usually through a tube or a duct, onto a surface. Examples include sweat glands which release sweat onto the skin, and digestive glands which release digestive juices onto the walls of the intestine. Some animals also have endocrine glands (ductless glands) that release hormones directly into the bloodstream.