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Chapter 15 Ears

Across
common cause of conductive hearing loss in young adults between the ages of 20 and 40 years. It is a gradual bone formation that causes the footplate of the stapes to become fixed in the oval window, impeding the transmission of sound and causing progressive deafness.
This level permits locating the direction of a sound in space and identifying the sound
separates the external and middle ear
hearing loss that occurs with the aging population. gradual sensorineural loss caused by nerve degeneration in the inner ear that slowly progresses
Embedded in bone
Down
a tool you can use to examine the ear?
part of the inner ear; holds the sensory organs for equilibrium and hearing
is a tiny air-filled cavity inside the temporal bone. It contains tiny ear bones, or auditory ossicles: the malleus, incus, and stapes.
At this level; ear transmits sound and converts its vibrations into electrical impulses, which can be analyzed by the brain
called the auricle or pinna and consists of movable cartilage and skin