1 – Left posterior intercostal arteries; 2 – Segmental spinal artery; 3 – Anterior radicular artery; 4 – Anterior spinal artery; 5 – Posterior radicular artery; 6 – Right posterior intercostal arteries; 7 – Right posterior spinal artery; 8 – Left posterior spinal artery; 9 – Segmental medullary artery; 10 – Vertebral artery; 11 – Ascending cervical artery; 12 – Deep cervical artery; 13 – Costocervical trunk; 14 – Thyrocervical trunk; 15 – Subclavian artery; 16 – Anterior radicular artery; 17 – Posterior spinal artery (Anastomosis); 18 – Lateral sacral arteries;
19 – Arterial plexus; Pia mater
