The spinal cord is composed of 31 pairs of spinal nerves and is divided into cervical, thoracic, lumbar, and sacral regions. There … | ร่างกาย, สุขภาพและการออกกำลัง
Spinal cord injury: anatomy and physiology of the spinal cord
The Spinal Cord - Meninges - Vasculature - TeachMeAnatomy