Definitions for: Secretion

[n] a functionally specialized substance (especially one that is not a waste) released from a gland or cell
[n] the organic process of synthesizing and releasing some substance

Webster (1913) Definition: Se*cre"tion, n. [L. secretio: cf. F.
1. The act of secreting or concealing; as, the secretion of
dutiable goods.

2. (Physiol.) The act of secreting; the process by which
material is separated from the blood through the agency of
the cells of the various glands and elaborated by the
cells into new substances so as to form the various
secretions, as the saliva, bile, and other digestive
fluids. The process varies in the different glands, and
hence are formed the various secretions.

3. (Physiol.) Any substance or fluid secreted, or elaborated
and emitted, as the gastric juice.

Synonyms: secernment

See Also: autacoid, autocoid, biological process, bodily fluid, body fluid, galactosis, ganoin, ganoine, hormone, humor, humour, hypersecretion, internal secretion, intestinal juice, lachrymal secretion, lacrimal secretion, liquid body substance, mucous secretion, mucus, musk, nectar, organic process, perspiration, pheromone, royal jelly, saliva, salivation, sebum, spit, spittle, sudor, sweat, synovia, synovial fluid

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