Afferent

[Sarah]

Bearing or conducting inwards to a part or organ; -- opposed toefferent; as, afferent vessels; afferent nerves, which conveysensations from the external organs to the brain.

[Dorothey Allen]

(especially of a nerve) carrying something towards the centre of a body part

[Mary Mallozziberg]

Conducting or conducted inward or toward something (for nerves, the central nervous system; for blood vessels, the organ supplied).