adrenal glandan endocrine gland at the anterior end of each kidney. Its medulla secretes adrenaline and noradrenaline and its cortex secretes several steroid hormones endocrine glandany of the glands that secrete hormones directly into the bloodstream, including the pituitary, pineal, thyroid, parathyroid, adrenal, testes, ovaries, and the pancreatic islets of Langerhans exocrine glandany gland, such as a salivary or sweat gland, that secretes its products through a duct onto an epithelial surface hypothalamusislets of Langerhans or islands of Langerhanssmall groups of endocrine cells in the pancreas that secrete the hormones insulin and glucagon lacrimal glandthe compound gland that secretes tears and lubricates the surface of the eye and the conjunctiva of the eyelid livermammary glandany of the milk-producing glands in mammals. In higher mammals each gland consists of a network of tubes and cavities connected to the exterior by a nipple mucus glandovarypancreasparathyroid glandany one of the small egg-shaped endocrine glands situated near or embedded within the thyroid gland: they secrete parathyroid hormone pituitary glandthe master endocrine gland, attached by a stalk to the base of the brain. Its two lobes (the adenohypophysis and neurohypophysis) secrete hormones affecting skeletal growth, development of the sex glands, and the functioning of the other endocrine glands prostatea gland in male mammals that surrounds the neck of the bladder and urethra and secretes a liquid constituent of the semen salivary glandany of the glands in mammals that secrete saliva. In man the chief salivary glands are the parotid, sublingual and submaxillary glands sebaceous glandsweat glandany of the coiled tubular subcutaneous glands that secrete sweat by means of a duct that opens onto the skin testicleeither of the two male reproductive glands, in most mammals enclosed within the scrotum, that produce spermatozoa and the hormone testosterone thyroid glandan endocrine gland of vertebrates, consisting in man of two lobes near the base of the neck. It secretes hormones that control metabolism and body growth ▷ See gland
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Glands 的词汇表—— 柯林斯 英语词汇表