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sala vestibuli
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∙ 15y ago
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The fluid of the inner ear contained within the bony labyrinth and surrounding the membranous labyrinth?
endolymph, can also be called scarpa's fluid
Which region of the ear houses perilymph and endolymph?
The Internal ear
What is the fluid contained within the membranous labyrinth called?
endolymph
How are the hair cells in the cochlea stimulated when the oval window is tapped by the stapes?
When the stapes taps on the oval window of the cochlea, it creates waves of pressure within the perilymph. The pressure waves within the perilymph are transferred to the basilar membrane of the organ of corti. The vibrations of the basilar membrane cause the attached hair cells to vibrate against the tectoral membrane. These vibrations are detected by the axons extending from the spiral ganglion in to the spiral lamina, and the impulses are sent to the brain via the cochlear nerve.
What is the pathway through which vibrations and fluid currents are transmitted to finally stimulate the hair cells?
Eardrum - Malleus - Incus - Stapes - Oval Window - Perilymph (in scala vestibuli) - Vestibular membrane - Endolymph (cochlear duct) - Hair cells (Organ of corti)
The fluid of the inner ear contained within the bony labyrinth and surrounding the membranous labyrinth?
endolymph, can also be called scarpa's fluid
In the human body field what is the fluid perilymph?
Perilymph is a fluid present in the scala vestibuli and scala tympani which are the perilymph compartments of the inner ear. It has the same ionic concentration as the extracellular fluid present in the entire body
Semicircular ducts are filled with what?
perilymph
What is periymph?
Perilymph is an extracellular fluid located within the cochlea (part of the ear) in 2 of its 3 compartments; the scala tympani and scala vestibuli. The ionic composition of perilymph is comparable to that of plasma and cerebrospinal fluid. The major cation of perilymph is sodium.
What is activated by the movement of the perilymph?
Hair Cells
What does the perilymph and endolymph in the ear do?
Endolimph has a e
What in the ear is activated by the movement of the perilymph?
Hair cells
What is carry vibrations from eardrum to perilymph?
Vibration of the tympanic membrane causes movement of the ear ossicles, resulting in the in-and-out vibration of the stapes in the oval window. That touches the perilymph in the scala vestibuli.
Which region of the ear houses perilymph and endolymph?
The Internal ear
Fluid contained within the osseus labyrinth and bathing the membranous labyrinth?
perilymph
3 structures composing the bony or osseous labyrinth?
vestibule, cochlea, and perilymph
Which fluid is present in the inner part of your ear known as cochlea?
The perilymph fluid
