Overview-of-neurovascular-anatomy-of-the-craniocervical-junction-(CCJ)-(A)-Posterior-view-of-the-CCJ-with-attention-to-neural-anatomy-in-the-context-of-deep-back-muscles-and-cervical-vertebrae-(B)-Close-up-of-the-posterior-view-of-the-neurovascular-structures-of-the-CCJ-(C)-Lateral-view-of-the-CCJ-with-attention-to-major-arteries,-nerves,-and-veins-(D)-Close-up-of-the-lateral-view-of-the-neurovascular-structures-of-the-CCJ.--