Upgrade to remove ads
Only $2.99/month

Lab 28: The Ear

Terms in this set (17)

Arrange these structures in the order in which sound waves pass through them
aricle, external auditory meatus, tympanum, malleus, incus, stapes, perilymph, endolymph, organ of Corti
The ___ are three passages, each forming a circle and each in a different plane.
semicircular plane
When traveling in an automobile, you sense that you have suddenly turned a corner. The sensation you have is mainly an aspect of the sense of ___ equilibrium.
dynamic
In a weightless environment, as in deep space, the sense of ___ equilibrium would not work well, if at all.
static
The vestibular membrane and basilar membrane are walls of the ___ labyrinth.
membranous
The sensory patch in the utricle's lining is called the ___?
macula
The sensory patch in the utricle's lining has receptors for the sense of ___?
static equilibrium
The ___ is a passage that allows air pressure in the middle ear to reach equilibrium with atmospheric air pressure.
eustachian tube
The auditory ossicles are joined to one another with ___ joints.
synovial
The ___ has a flat, pluglike portion that fits into the oval window.
stapes
Both the oval window and the ___ window are on the boundary of the middle and inner ear.
round
During sound reception, the tectorial membrane vibrates and stimulates the hair cells in the ___?
organ of Corti
The ___ is the most external portion of the external ear.
auricle
The ___ amplify sound waves by as much as 20 times their original intensity.
auditory ossicles
The semicircular canals have sensory structures called ___ within the ampullae.
crista ampullaris
The semicircular canals have sensory structures for the sense of ___?
dynamic
The maculae of the vestibular sensory regions are covered with gelatinous material. ___ are embedded in this material.
otoilths
THIS SET IS OFTEN IN FOLDERS WITH...