Apart from the transmission of the medulla oblongata and its membranes, the foramen magnum transmits the Spinal Accessory nerve, vertebral arteries, the anterior and posterior spinal arteries, the membrana tectoria and alar ligaments.
The foramen magnum is the border line above which is the brain, and below, the spinal cord.
Giant dumbbell foramen magnum neurinomas presenting as posterior neck masses: Single-stage removal by posterior midline approach
Jan 01, 2007; Introduction Dumbbell tumors of the foramen magnum (FM) are uncommon. It is rare for these tumors to extend into the extraspinal...