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.
2. to measure (depth) in such a manner, as at sea. 3. to examine or test (the bottom, as of the sea or a deep hole) with a lead that brings up adhering bits of matter. 4. to seek to ascertain: to sound a person's views.