Arch forms greater cornu of hyoid, and part of the body along with the stylopharyngeus m. 2. Nerve is the glossopharyngeal. Artery is the precursor of the carotid artery on both sides. Pouch forms the thymus and parathyroid 4. D. Fourth Arch 1.
Arch forms the thyroid cartilage, cuneiform cartilage.
Nerve is the superior laryngeal N. 3. The left 4th arch artery becomes the arch of the aorta. The right 4th arch artery becomes the proximal subclavian. Pouch is the ultimobranchial body whose fate is unknown. E. Fifth Arch 1.