stressor

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stres·sor

 (strĕs′ər)
n.
An agent, condition, or other stimulus that causes stress to an organism.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

stressor

(ˈstrɛsə)
n
an event, experience, etc, that causes stress
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

stres•sor

(ˈstrɛs ər, -ɔr)

n.
a stimulus causing stress.
[1950–55]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.stressor - any agent that causes stress to an organism
agent - an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

stressor

[ˈstrɛsər] n (= stress factor) → facteur m de stressstress pattern nschéma m accentuelstress-related [ˌstrɛsrɪˈleɪtɪd] adj [illness] → lié(e) au stress
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

stressor

n estresor m
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Stimulation of the prelimbic cortex differentially modulates neuroendocrine responses to psychogenic and systemic stressors. Physiology & Behavior 104(2):266-271, 2011.
That means that pathogens are already under local stress when systemic stressors are piled on.
In contrast, systemic stressors are of physiological origin (e.g., disturbances of normal bodily metabolism resulting from bacterial or viral infection).