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efferent neuron

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
neuron /neu·ron/ (noor´on) nerve cell; any of the conducting cells of the nervous system, consisting of a cell body, containing the nucleus and its surrounding cytoplasm, and the axon and dendrites. neuro´nal
afferent neuron  one that conducts a nervous impulse from a receptor to a center.
efferent neuron  one that conducts a nervous impulse from a center to an organ of response.
Golgi neurons 
1. (type I): pyramidal cells with long axons, which leave the gray matter of the central nervous system, traverse the white matter, and terminate in the periphery.
2. (type II): stellate neurons with short axons that are particularly numerous in the cerebral and cerebellar cortices and in the retina.
motor neuron  motoneuron.
multisensory neuron  a neuron in the cerebral cortex or subcortical regions that can receive input from more than one sensory modality.
postganglionic neurons  neurons whose cell bodies lie in the autonomic ganglia and whose purpose is to relay impulses beyond the ganglia.
preganglionic neurons  neurons whose cell bodies lie in the central nervous system and whose efferent fibers terminate in the autonomic ganglia.
sensory neuron  any neuron having a sensory function; an afferent neuron conveying sensory impulses. The first in an afferent pathway is the primary sensory n. and the second is the secondary sensory n.

efferent neuron
 See Motor neuron.


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