Definition of Afferent

1. Noun. A nerve that passes impulses from receptors toward or to the central nervous system.

2. Adjective. Of nerves and nerve impulses; conveying sensory information from the sense organs to the CNS. "Afferent impulses"
Category relationships: Physiology
Similar to: Centripetal, Receptive, Sensory, Corticipetal, Corticoafferent
Antonyms: Efferent

Definition of Afferent

1. a. Bearing or conducting inwards to a part or organ; -- opposed to efferent; as, afferent vessels; afferent nerves, which convey sensations from the external organs to the brain.

Definition of Afferent

1. Adjective. Carrying towards. ¹

2. Noun. An afferent structure or connection ¹

¹ Source:

Definition of Afferent

1. a nerve that conveys impulses toward a nerve center [n -S]

Medical Definition of Afferent

1. Moving or carrying inward or toward a central part. Refers to vessels, nerves, etc. For example: blood vessels carrying blood toward the heart, or nerves conducting signals to the brain. Compare: efferent. (09 Feb 1998)

Afferent Pictures

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Lexicographical Neighbors of Afferent

afferent (current term)
afferent fibres
afferent glomerular arteriole
afferent loop syndrome
afferent lymphatic
afferent nerve
afferent neuron
afferent pathways
afferent vessel

Literary usage of Afferent

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Text-book of physiology: For Medical Students and Physicians by William Henry Howell (1915)
"The fifth nerve resembles the spinal nerves in that it has two roots, one containing afferent and the other efferent fibers. ..."

2. The Anatomy of the Nervous System from the Standpoint of Development and by Stephen Walter Ranson (1920)
"afferent impulses from the viscera may be vaguely represented in consciousness, there must be a visceral afferent path to the thalamus; but concerning the ..."

3. Physiology and Biochemistry in Modern Medicine by John James Rickard Macleod (1922)
"They have been conducted along fibers of primary afferent neurons which terminate in the nucleus gracilis and nucleus cuneatus, from which arise the ..."

4. A Text Book of Physiology by Michael Foster (1899)
"If both vagus nerves be divided, respiration still continues, though in a modified form. This proves distinctly that afferent impulses ascending those ..."

5. A Text-book of Experimental Psychology: With Laboratory Exercises by Charles Samuel Myers (1911)
"Let us first consider these afferent impulses, and their importance in muscular ... The Inhibitory Effect of afferent Impulses.—It is well known that the ..."

6. A Text-book of Physiology for Medical Students and Physicians by William Henry Howell (1905)
"afferent and Efferent Fibers in the Cranial Nerves. ... The eighth nerve consists only of afferent fibers which arise from the nerve cells in the spinal ..."

7. Journal of Nervous and Mental Disease by American Neurological Association, Philadelphia Neurological Society, Chicago Neurological Society, New York Neurological Association, Boston Society of Psychiatry and Neurology (1914)
"Later, Bayliss showed that the effect was produced by " antidromic " action on afferent nerves. The same result may be obtained by stimulating the afferent ..."

8. An Outline of Psychobiology by Knight Dunlap (1914)
"It is not impossible that, conversely, afferent currents from a relatively ... The excitability of the afferent neuron terminations in the walls of the ..."

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