Question

h) Write the function for the following:
i) SGN
ii) CINT​

Answer 1

Answer:

SNHL is caused by irreversible loss of sensory hair cells and/or degeneration of spiral ganglion neurons.

bipolar sensory neurons

Primary Afferent Innervation and Function

The spiral ganglion is made up of two types of bipolar sensory neurons. Type I cells make up 90% to 95% of the cells in the spiral ganglion and have radial branches that synapse with only one or two inner hair cells (Fig. 21.4).

Both IHCs and OHCs appear to be little affected. This gene mutation results in auditory nerve dysfunction consistent with loss of spiral ganglion cells without other peripheral or cranial neuropathies.

Explanation:

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