Change: Muscles of the PharynxCircular musclesMuscle - Superior constrictor Origin - Medial pterygoid plate; pterygoid hamulus; pterygomandibular raphe; mylohyoid line of mandible; side of tongue Insertion - Median raphe and pharyngeal tubercle of skull Nerve - Vagus n. via pharyngeal plexus Action - Constricts upper pharynxMuscle - Middle   View changes from previous version. (Word count: 180)

Change: Arch of cricoid and oblique line of thyroid cartilagesMedian raphe of pharynxVagus n. via pharyngeal plexus, recurrent and external lConstricts lower pharynxMuscle Origin Insertion Nerve ActionLongitudinal musclesStylopharyngeusStyloid processThyroid cartilage and muscles of pharynxGlossopharyngeal n.Elevates pharynx and larynxMuscle Origin Insertion   View changes from previous version. (Word count: 169)