Stylohyoid ligament is derived from:
Ans. B 2nd branchial archRef: Gray's Anatomy, 41st ed. pg. 449* The stylohyoid ligament is a fibrous cord extending from the tip of the styloid process to the lesser cornu of the hyoid bone. It gives attachment to the highest fibres of the middle pharyngeal constrictor and is intimately related to the lateral wall of the oropharynx. Below, it is overlapped by hyoglossus.* The ligament is derived from the cartilage of the second branchial arch and may be partially calcified.
1st branchial arch
2nd branchial arch
1st branchial pouch
2nd branchial pouch
Embryology