Outer Ear Flashcards
1
Q
Pinna
A
Auricle or outer ear, external portion of the ear
Captures sound waves and transmits them into the external auditory canal
2
Q
External auditory canal
A
Transmits these sound waves to the tympanic membrane of the middle ear
3
Q
Cerumen
A
Earwax, secreted by ceruminous glands that line the auditory canal
Protective functions by trapping small insects, dust, debris, and bacteria to prevent it from entering the middle ear
4
Q
Middle ear purpose
A
Transmits sound between the outer and inner ear
5
Q
tympanic membrane
A
Eardrum, transmits sound by vibrating
6
Q
Mastoid process
A
Temporal bone containing hollow air space that surrounds the middle ear
