transmit the sensory impulse to the appropriate part of the brain or spinal cord for interpretation and processing; also known as association neurons.
depth. 1  the distance from the top downward, from the surface inward, or from front to back. 2  perspective, as in a painting. 3  the quality or condition of being deep; deepness; specif., 4  intensity, as of colors, silence, or emotion.
Definition of deep. 1  1 : to a great depth : deeply still waters run deep tunneled deep into the earth. 2  2 : far on : late danced deep into the night. 3  3 sports a : near the outer limits of the playing area the shortstop was playing deepb : long 6 threw deep to the wide receiver hit the ball deep to right field.