Which of the following pharyngeal arches develops into epiglottis?
Pharyngeal archMuscular contributionsSkeletal contributionsNerveAery1st (also called "mandibular arch")Muscles of mastication, anterior belly of the digastric, mylohyoid, tensor tympani, tensor veli palatiniMaxilla, mandible (only as a model for mandible not actual formation of mandible), the incus and malleus of the middle ear, also Meckel's cailageTrigeminal nerve(V2 and V3)Maxillary aery, external carotid aery2nd (also called the "hyoid arch")Muscles of facial expression, buccinator, platysma, stapedius, stylohyoid, posterior belly of the digastricStapes, styloid process, hyoid (lesser horn and upper pa of body), Reiche's cailageFacial nerve (VII)Stapedial aery, hyoid aery3rdStylopharyngeusHyoid (greater horn and lower pa of body), thymus, inferior parathyroidsGlossopharyngeal nerve (IX)Common carotid, internal carotid4thCricothyroid muscle, all intrinsic muscles of soft palate including levator veli palatiniThyroid cailage, superior parathyroids, epiglottic cailageVagus nerve (X), superior laryngeal nerveRight 4th aoic arch: subclan aeryLeft 4th aoic arch: aoic arch6thAll intrinsic muscles of larynx except the cricothyroid muscleCricoid cailage, arytenoid cailages, corniculate cailageVagus nerve (X), recurrent laryngeal nerveRight 6th aoic arch: pulmonary aeryLeft 6th aoic arch: pulmonary aery and ductus aeriosus Ref: Langman Embryology, 11 Edition, pg. 277
1st pharyngeal arch
2nd pharyngeal arch
4th pharyngeal arch
3rd pharyngeal arch