19
Question
Arrangement of ear ossicles, starting from ear drum is
Arrangement of ear ossicles, starting from ear drum is
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Solution
The correct option is B Malleus, incus, stapes
The ear ossicles are three bones present in middle ear, they
are among the smallest bones in the human body. They serve to transmit sounds
from the air to the fluid-filled labyrinth (cochlea).
Arrangement
of ear ossicles, starting from ear drum is the malleus, incus, and
stapes, shapes resembles of the hammer, anvil, and stirrup respectively.
As sound waves vibrate the tympanic membrane (eardrum), it in
turn moves the nearest ossicle, the malleus, to which it is attached. The
malleus then transmits the vibrations, via the incus, to the stapes, and so
ultimately to the membrane of the fenestra ovalis, the opening to the vestibule
of the inner ear. Hence option B is correct.
The ear ossicles are three bones present in middle ear, they are among the smallest bones in the human body. They serve to transmit sounds from the air to the fluid-filled labyrinth (cochlea).
Arrangement of ear ossicles, starting from ear drum is the malleus, incus, and stapes, shapes resembles of the hammer, anvil, and stirrup respectively.
As sound waves vibrate the tympanic membrane (eardrum), it in turn moves the nearest ossicle, the malleus, to which it is attached. The malleus then transmits the vibrations, via the incus, to the stapes, and so ultimately to the membrane of the fenestra ovalis, the opening to the vestibule of the inner ear. Hence option B is correct.
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