L1) Anatomy of spinal cord

⚠️Length of spinal cord ?

⚠️Spinal cord enlargement ?

⚠️describe formation and exit of spinal nerves?

⚠️Describe pia mater?

⚠️🚨🚨🚨 factors fix spinal cord ?

⚠️arterial sapply of spinal cord?

⚠️ Venous drainage of spinal cord?