Which of the following passes through the foramen magnum?: (A) Veebral aery, (B) XII cranial nerve, (C) Cranial pa XIth nerve, (D) Internal carotid aery
Answer is A. Foramen magnum transmits Lower end of medulla Anterior spinal aery Posterior spinal aery 4th pa of veebral aery Spinal pa of XIth nerve Other structures: Apical ligament and tip of dens, membrana tectoria, veical band of Cruciate Ligament.