Pharynx & Larynx Flashcards
boundaries of nasopharynx
base of skull, palate…. choanae to superior constrictor
boundaries of oropharynx
palate, above hyoid…. palatoglossal folds to constrictors
boundaries of laryngopharynx
hyoid to cricoid….. hyoid to lower border of cricoid
tensor palatini attaches here
scaphoid fossa
forms jaws, malleus incus
arch 1
forms auditory tube, middle ear, auditory meeatus
1st pouch
forms stapes, styloid process, stylohyoid ligament, lesser horns of hyoid
2nd arch
forms palatine tonsil
2nd pounch
forms body and greater horns of hyoid
3rd arch
forms thymus and inferior parathyroid
3rd pouch
forms thyroid cartilage
4th arch
forms superior parathyroid
4th pouch
forms laryngeal cartilages
5th arch
forms ultimobranchial body which may contribute to thyroid
5th pouch
forms arytenoids, cricoid, and tracheal rings
6th arch