Internal jugular vein Ansa cervicalis Vagus nerve Common carotid artery External carotid artery Internal carotid artery Superior thyroid artery Superior laryngeal artery Sternohyoid Sternothyroid Thyroid gland Thyrohyoid Sternothyroid Thyroid gland Pyramidal lobe of thyroid gland Thyroid cartilage Laryngeal prominence Cricothyroid External laryngeal nerve Hypoglossal nerve Lingual artery Facial artery Superior laryngeal nerve Internal laryngeal nerve Sympathetic trunk Middle cervicle ganglion Vertebral ganglion Vertebral artery Stellate ganglion Subclavian artery Ansa subclavia