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The blood supply to the vertebral canal is critical, particularly in surgical and clinical contexts. The spinal cord, housed within the vertebral canal, serves as the essential neuronal connection between the brain and the body. Therefore, preservation of vascular supply is vital. Compromise of this circulation can result in profound and often irreversible neurologic injury. The vascular architecture of the vertebral canal comprises a complex, highly specialized network that maintains spinal cord viability. The narrow margin for vascular injury necessitates thorough knowledge of this anatomy in neurosurgery, vascular surgery, orthopedics, and spine intervention. This activity synthesizes the arterial, venous, and lymphatic supply of the vertebral canal, incorporating structural anatomy, embryologic development, physiologic variants, and clinical and surgical relevance to enhance diagnostic accuracy and operative safety.