Slice the cord across, and you will see a gray butterfly of cell bodies inside white tracts. Sensory signals enter at the back. Motor orders leave at the front. Tap each part.
Gray matter
cross-section · back at top
The spinal cordgray in, white around
The parts
📷 Reference image
A real labeled figure to compare with the interactive above.
The Spinal Cord — OpenStax, CC BY 4.0 (via Wikimedia Commons)
