• Feb 5, 2026 anatomy and physiology coloring workbook spinal cord , thoracic, lumbar, sacral, and coccygeal regions). External Features: Vertebral foramina, dorsal and ventral roots, spinal nerves, and meninges. Internal Structures: Gray matter, white matter, dorsal and ventral horns, central canal, and lateral horns. Vascular Supply: Major arteries and By Mr. Brenden Wilderman
