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In the organ or corti, above the rows of...

In the organ or corti, above the rows of the hair cells is a thin elastic membrane called

A

Reissner's membrane

B

Tectorial membrane

C

Basilar membrane

D

Both A and C

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The correct Answer is:
B
In the organ or corti, above the rows of the hair cells is a thin elastic membrane called tectorial membrane.
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Anatomically, the ear can be divided into three major sections called the outer ear, the middle ear and the inner ear. How many statements are correct for inner ear? i. The organ of Corti is a structure located on the basilar membrane which contains hair cells that act as auditory receptors. ii. A large number of processes called stereo cilia are projected from the apical part of each hair cells iii. Above the rows of the hair cells is a thin elastic membrane called tectorial membrane iv. The vestibular apparatus is composed of three semi-circular canals and the otolith organ consisting of the saccule and utricle. v. Semi-circular canals contain a projecting ridge called macula vi. The saccule and utricle contain a projecting ridge called cristae vii. The cristae and macula responsible for maintenance of balance of the body and posture.

Stereocilia of sensory cells of human ear come ine contact with elastic membrane called

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Assertion : Hair cells on the basilar membrane (organ of Corti) are responsible for hearing. Reason : Pressure waves, which begin at the oval windows, cause the basilar membrane to vibrate so that the cilia of the hair cells touch the tectorial membrane. This causes the hair cells to initiate nerve impulses, which are carried by the auditory nerve to the brain.

In the internal ear, the 'organ of corti' which bear hair cells is located in

Humans are able to hear because of the vibration of a stretched thin membrane. This membrane is called eardrum. If elasticity of the eardrum is loosened, then

A2Z-NEURAL CONTROL AND COORDINATION-Section A : Topicwise Questions Topic 6 : The Ear (mechanism Of Hearing )
  1. The membrane constituting cochlea, the Reissner's and basilar, divide ...

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  2. At the base of cochlea, the scala vestibuli ends at the …a… window...

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  3. In the organ or corti, above the rows of the hair cells is a thin elas...

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  4. Recognise the figure and find out the correct matching.

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  5. The saccule and utricle contain a projecting ridge called

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  6. The sound vibrations are passed through the middle ear to oval window ...

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  7. Recognise the figure and find out the correct matching.

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  8. Which part of the ear is influenced by gravity and movements ?

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  9. Statoacoustic receptors are located in

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  10. Eustachian tube connects

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  11. Which one is used in balancing ?

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  12. Bony labyrinth is filled with a fluid called

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  13. Scala tympani is connected to scala vestibuli by means of

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  14. Phonoreceptors occur in

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  15. Correct sequence of regions in organisation of auditory mechanorecepto...

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  16. In mammals, the organs of Corit is found in

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  17. Ear ossicle, incus is modified

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  18. Identify a, b, c, d in given diagram.

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  19. Our ear can hear the frequency of sound waves

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  20. Receptor cells for balancing occur in human ear in

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