Etymology : French glande, from Old French, glandular swelling on the neck, gland, ultimately from Latin gland-, glans acorn; akin to Greek balanos acorn
Pronunciation : 'gland
Function : noun
Date : 1692
1. secreting organ or structure (Anatomy). gland(anat.), a glandlike body of unknown function, situated in the pituitary fossa, and connected with the infundibulum of the brain; the hypophysis...see also:
pituitarygland \gland\ , n. [f. glande, l. glans, glandis, acorn; akin to gr. for , and to cast, throw, the acorn being the dropped fruit. cf. parable, n.].
2. (anat.) (a) an organ for secreting something to be used in, or eliminated from, the body; as, the sebaceous glands of the skin; the salivary glands of the mouth. (b) an organ or part which resembles a secreting, or true, gland, as the ductless, lymphatic, pineal, and pituitary glands, the functions of which are very imperfectly known.note: the true secreting glands are, in principle, narrow pouches of the mucous membranes, or of the integument, lined with a continuation of the epithelium, or of the epidermis, the cells of which produce the secretion from the blood. in the larger glands, the pouches are tubular, greatly elongated, and coiled, as in the sweat glands, or subdivided and branched, making compound and racemose glands, such as the pancreas.
3. (bot.) (a) a special organ of plants, usually minute and globular, which often secretes some kind of resinous, gummy, or aromatic product. (b) any very small prominence.
4. (steam mach.) the movable part of a stuffing box by which the packing is compressed; -- sometimes called a follower. see:
illust. of stuffing box, under stuffing.
5. (mach.) the crosspiece of a bayonet clutch.
6. An organ for secreting something to be used in, or eliminated from, the body; as, the sebaceous glands of the skin; the salivary glands of the mouth.
7. An organ or part which resembles a secreting, or true, gland, as the ductless, lymphatic, pineal, and pituitary glands, the functions of which are very imperfectly known.
8. A special organ of plants, usually minute and globular, which often secretes some kind of resinous, gummy, or aromatic product.
9. Any very small prominence.
10. The movable part of a stuffing box by which the packing is compressed; sometimes called a follower.
11. See Illust. of Stuffing box, under Stuffing.
12. The crosspiece of a bayonet clutch. any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream.
13. A gland is an organ in the body which produces chemical substances for the body to use or get rid of. the hormones secreted by our endocrine glands. sweat glands. A device, such as the outer sleeve of a stuffing box, designed to prevent a fluid from leaking past a moving machine part. an organ of the body which produces a substance that the body needs, such as hormones, sweat, or saliva (glande, from glans ). Collection of cells or tissue that removes specific substances from the blood, alters or concentrates them, and then either releases them for further use by the body or eliminates them. Typically, the functional cells of a gland rest on a membrane and are surrounded by a meshwork of blood vessels. Endocrine, or ductless, glands (e.g., pituitary, thyroid, adrenal) discharge hormones into the bloodstream directly rather than through ducts (see:
endocrine system). Exocrine glands (e.g., digestive, mammary, salivary, sweat) discharge their products through ducts. adrenal gland suprarenal gland mammary gland parathyroid gland pineal gland pituitary gland prostate gland salivary gland sebaceous gland sweat gland tear duct and gland lachrymal duct and gland thyroid gland.
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