A secretory structure on the surface of an organ.
A gland used around a tap, valve or faucet.
A gland used around a ship’s propeller shaft.
A structure resembling a gland, especially a lymph node.
A specialized cell, group of cells, or organ of endothelial origin in the human or animal body that synthesizes a chemical substance, such as hormones or breast milk, and releases it, often into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland).
Either of two folds of the peritoneum that support the viscera.