<prompt> The Glossopharyngeal nerve supplies the posterior pa of the tongue because it develops from theHyoid archTuberculum imparMandibular archHypobranchial eminence  <response>: D i.e. Hypobranchial eminence- Tongue muscles originate from myoblast of occipital somitesQ. Thus tongue musculature is innervated by hypoglossal nerve.- Glossopharyngeal 9th nerve supplies posterior 13 pa of tongue because it develops from hypobrachial eminence copulaQ.Parathyroid glands develop from 4th superior 3rd inferior para thyroid glands pharyngeal endodermal pouchQ. 