efferent pathway


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Related to efferent pathway: afferent pathway

efferent pathway

Etymology: L, effere, to carry out; ME, paeth + weg
1 the route of nerve fibers carrying impulses away from a nerve center.
2 the system of blood vessels that conveys blood away from a body part. Compare afferent.

efferent pathway

A pathway from the central nervous system to an effector.
See also: pathway
References in periodicals archive ?
Although this article focuses on pathways between the basal ganglia and cerebral cortex, lesser efferent pathways have been described.
Spontaneous tremor has always been difficult to reproduce in experimental animals and since it has only regularly been achieved by lesions of the midbrain ventral tegmental area involving cerebellar efferent pathways in addition to the nigrostriatal tract, the relationship of such experimental tremor to the resting tremor of PD has been unclear (53).
The parasympathetic innervation of the pupil consists of four neurons comprising afferent and efferent pathways (see Figure 1).
47] Other neurotransmitters such as serotonin and norepinephrine are affected in IP;[10] however, loss of dopamine input is thought to be primarily responsible for the motor disorders associated with IP, through its opposite effects on two striatal efferent pathways.