13 Facts About Inner ear

1.

In vertebrates, the inner ear is mainly responsible for sound detection and balance.

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2.

Inner ear is found in all vertebrates, with substantial variations in form and function.

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3.

The inner ear is innervated by the eighth cranial nerve in all vertebrates.

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4.

The middle ear thus serves to convert the energy from sound pressure waves to a force upon the perilymph of the inner ear.

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5.

Vestibular system of the inner ear is responsible for the sensations of balance and motion.

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6.

Human inner ear develops during week 4 of embryonic development from the auditory placode, a thickening of the ectoderm which gives rise to the bipolar neurons of the cochlear and vestibular ganglions.

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7.

The lateral wall of the cochlInner ear duct is formed by the spiral ligament and the stria vascularis, which produces the endolymph.

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8.

Venous drainage of the inner ear is through the labyrinthine vein, which empties into the sigmoid sinus or inferior petrosal sinus.

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9.

Neurons within the Inner ear respond to simple tones, and the brain serves to process other increasingly complex sounds.

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10.

Human Inner ear has evolved with two basic tools to encode sound waves; each is separate in detecting high and low-frequency sounds.

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11.

Inner ear found that movement of the basilar membrane resembles that of a traveling wave; the shape of which varies based on the frequency of the pitch.

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12.

Arrangement of the inner ear in living amphibians is, in most respects, similar to that of reptiles.

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13.

Inner ear is primarily responsible for balance, equilibrium and orientation in three-dimensional space.

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