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.
deep. 1. extending far down from the top or surface: a deep well; a deep cut. 2. extending far in or back from the front: a deep shelf. 3. extending far in width; broad: a deep border. 4. ranging far from the earth and sun: a deep space probe. 5. having a specified dimension in depth: a tank 10 feet deep.