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11 grade biology others

Between malleus and incus, the joint found is A) Incubo Malleolar Joint B) Gliding joint C) Pivot jointD)None of the above

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1 Year agoGrade
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1 Answer

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1 Year ago

The correct answer is A) Incudo-malleolar joint.
The malleus and incus are two of the three ossicles in the middle ear, which are involved in the conduction of sound vibrations from the outer ear to the inner ear.
• The malleus (also known as the hammer) is connected to the tympanic membrane (eardrum), and it transmits sound vibrations to the incus (also known as the anvil).
• The incus is situated between the malleus and the stapes (stirrup) in the chain of ossicles.
The joint between the malleus and incus is called the incudo-malleolar joint. This joint is a type of synovial joint that allows slight movement for transmitting sound vibrations.
Types of Joints:
• Gliding joint: A joint where two flat or nearly flat surfaces slide over one another, such as in the wrist or between the vertebrae, but this does not apply to the malleus-incus connection.
• Pivot joint: This joint allows rotational movement, such as in the neck between the atlas and axis vertebrae, but is not the type of joint found between the malleus and incus.
The joint between the malleus and incus is called the incudo-malleolar joint (Option A). This is a synovial type of joint that facilitates the transfer of sound vibrations through the ossicles.