C3 Common Carotid Artery Hyoid Bone External Carotid Artery Geniohyoid Internal Carotid Artery Infrahyoid Muscles Internal Jugular Vein Sternocleidomastoid Muscle External Jugular Vein Middle Constrictor Muscle Vertebral Artery Epiglottis (Click on images for larger view) Return to Head & Neck Radiology Resources