1. 
[syn: sensory nerve, afferent nerve, afferent]
ADJECTIVE (1)
1.  of nerves and nerve impulses;  conveying sensory information from the sense organs to the CNS; 
- Example: "afferent nerves"
- Example: "afferent impulses"
The Collaborative International Dictionary of English v.0.48:
Afferent \Af"fer*ent\, a. [L. afferens, p. pr. of afferre; ad +
   ferre to bear.] (Physiol.)
   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.
   [1913 Webster]
WordNet (r) 3.0 (2006):
afferent
    adj 1: of nerves and nerve impulses; conveying sensory
           information from the sense organs to the CNS; "afferent
           nerves"; "afferent impulses" [ant: efferent,
           motorial]
    n 1: a nerve that passes impulses from receptors toward or to
         the central nervous system [syn: sensory nerve, afferent
         nerve, afferent]