Finals: Ear Flashcards
(34 cards)
What ossicle is connected to the tympanic membrane
Malleus
What is the most probable source of endolymph
Stria vascularis
What structure is associated with hairs & sebaceous & ceruminous glands
External Auditory Meatus
What surrounds tectorial membrane
Endolymph
What structure in the inner ear is composed primarily of calcium carbonate
Otolith
What area of the apex of the cochlea where scala vestibule & scala tympani connect
Helicotrema
What is located in the ends of the semicircular duct
Cristae ampullaris
What structure is located on the lateral wall of the cochlea
Stria vascularis
What ampullary gelatinous mass serves as an insertion of I & II cells
Cupola
What ossicle is connected to the oval window
Stapes
What structure in the organ of corti supports the inner and outer hair cells, cells of Henson, & the inner and outer phalangeal cells
Basilar membrane
Where is cochlea located
Inner ear
What structure is responsible for equalizing pressures
Eustachian tube
What membrane is associated with the utricle & saccule of the vestibule
Otolithic membrane
What fluid is found in the scala media
Endolymph
What structures may be found in each of the utricles & saccules
Maculae
What separates the cochlea from the semicircular canals
Vestibule
The varying width of what membrane allows the perception of different frequencies of sound
Basilar membrane
What structure connects the middle ear with the nasopharynx
Eustachian tube
What type of cartilage is found in the pinna
Elastic cartilage
What structure separates the middle and external ear meatus
Tympanic membrane
In what membrane, lying on one side of the inner spiral tunnel, are hair cells stereocilia located
Tectorial membrane
What membrane lies between the scala media & scala vestibule
Reissner’s membrane
What structure separates are from perilymph
Oval window
