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[ef-er-uh nt] /ˈɛf ər ənt/ Anatomy, Physiology
conveying or conducting away from an organ or part (opposed to afferent).
an efferent part, as a nerve or blood vessel.
Origin of efferent
1830-40; < Latin efferent- (stem of efferēns carrying off, present participle of efferre), equivalent to ef- ef- + ferent- carrying (fer- carry + -ent- -ent)
Related forms
efference, noun
efferently, adverb
Can be confused
afferent, efferent. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for efferent


carrying or conducting outwards from a part or an organ of the body, esp from the brain or spinal cord Compare afferent
Derived Forms
efference, noun
efferently, adverb
Word Origin
C19: from Latin efferre to bear off, from ferre to bear
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for efferent

1827, from Latin efferentem (nominative efferens), present participle of effere "to carry out or away, bring forth," from ef- (see ex-) + ferre "to bear, carry" (see infer).

Online Etymology Dictionary, © 2010 Douglas Harper
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efferent in Medicine

efferent ef·fer·ent (ěf'ər-ənt)
Directed away from a central organ or section. n.
An efferent organ or body part, such as a blood vessel.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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efferent in Science
Carrying motor impulses away from a central organ or part, as a nerve that conducts impulses from the central nervous system to the periphery of the body. Compare afferent.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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