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secretion

[si-kree-shuh n] /sɪˈkri ʃən/
noun
1.
(in a cell or gland) the act or process of separating, elaborating, and releasing a substance that fulfills some function within the organism or undergoes excretion.
2.
the product of this act or process.
Origin
1640-1650
1640-50; < Latin sēcrētiōn- (stem of sēcrētiō), equivalent to sēcrēt(us) (past participle of sēcernere to secern) + -iōn- -ion
Related forms
secretionary
[si-kree-shuh-ner-ee] /sɪˈkri ʃəˌnɛr i/ (Show IPA),
adjective
nonsecretion, noun
nonsecretionary, adjective
oversecretion, noun
supersecretion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for secretionary

secretion

/sɪˈkriːʃən/
noun
1.
a substance that is released from a cell, esp a glandular cell, and is synthesized in the cell
2.
the process involved in producing and releasing such a substance from the cell
Derived Forms
secretionary, adjective
Word Origin
C17: from Medieval Latin sēcrētiō, from Latin: a separation; see secern
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for secretionary

secretion

n.

1640s, "act of secreting;" 1732, "that which is secreted," from French sécrétion, from Latin secretionem (nominative secretio) "a dividing, separation," noun of action from past participle stem of secernere "to separate, set apart" (see secret (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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secretionary in Medicine

secretion se·cre·tion (sĭ-krē'shən)
n.

  1. The process of secreting a substance from a cell or gland.

  2. A substance, such as saliva, mucus, tears, bile, or a hormone, that is secreted.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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secretionary in Science
secretion
  (sĭ-krē'shən)   
  1. The process of secreting a substance from a cell or gland.

  2. A substance, such as saliva, mucus, tears, bile, or a hormone, that is secreted.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for secretionary

secretion

in biology, production and release of a useful substance by a gland or cell; also, the substance produced. In addition to the enzymes and hormones that facilitate and regulate complex biochemical processes, body tissues also secrete a variety of substances that provide lubrication and moisture. Within an individual cell the Golgi apparatus and its associated secretory granules are thought to be the structures responsible for the production and release of secretory substances.

Learn more about secretion with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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