An incision through the tympanic membrane is called a:
Simple mastoidectomy has been made essentially obsolete by:
a. Radical mastoidectomy.
b. Operating microscopes.
24. The columella is formed by part of the septal cartilage, the major alar cartilages,
a. Hyoid bone.
b. Soft palate.
d. Anterior nasal spine.
25. The nasal cavity is separated from the lingual cavity by the hard and soft palates
and from the cranial cavity by the _______________ bone.