A secretory organ, at the base of a bird's tail, that secretes the oil used in preening.

(anatomy) Any of several exocrine glands that produce saliva to break down carbohydrates in food enzymatically.

(anatomy) A gland that secretes milk for suckling an infant or offspring.

The bulbourethral gland.

a specialized gland, located near the eyes or nose of certain marine animals that secretes a liquid having a high salt content; it enables the animal to drink seawater without having to eliminate the excess salt through the kidneys

(anatomy) Either of a pair of salivary glands located in front of, and below each ear in humans.

(informal) Synonym of lymph node.

(anatomy) In mammals, either of a pair of complex endocrine glands, situated above each kidney, secreting hormones which control the heart rate, blood pressure, and metabolism.

(anatomy, neuroanatomy) A small, pinecone-shaped endocrine gland found near the centre of the brain that produces melatonin.

(anatomy) An endocrine gland, about the size of a pea, that sits in a small, bony cavity at the base of the brain whose secretions control the other endocrine glands and influence growth, metabolism, and maturation.