"afferent" in the noun sense
1. sensory nerve, afferent nerve, afferent
a nerve that passes impulses from receptors toward or to the central nervous system
"afferent" in the adjective sense
1. afferent
of nerves and nerve impulses conveying sensory information from the sense organs to the CNS
"afferent nerves"
"afferent impulses"
Source: WordNet® (An amazing lexical database of English)
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