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.
Depth is used when talking about the distance past a surface (could be the front, top, or side), and when itâs used the other two measurements are usually length and width (when depth is from the top down), or width and height (when depth is from the front back).