upper airway Flashcards
auditory apparatus: describe the functional anatomy of the auricle, external auditory meatus, tympanic membrane, auditory ossicles and pharyngo-tympanic tube
1
Q
what is the opening from the auricle of external ear into the temporal bone to the tympanic membrane
A
external acoustic meatus
2
Q
significance of mastoid process air cells
A
infection from outside or pharyngotympanic tube into cranial cavity (middle cranial fossa) through erosion of mastoid air cells