Hair Cells Can Be Found in Which Arrangement

Question

Hair cells can be found in which arrangement?
A)Facing the tectorial membrane of the cochlea.
B)Facing the gelatinous mass and otoliths of the macula.
C)Within a dome of gelatinous mass inside each ampulla.
D)All of the above.

Accepted Answer

Hair cells are found in all of the listed arrangements. In the cochlea, they face the tectorial membrane. In the macula of the utricle and saccule, they face the gelatinous mass and otoliths. In the ampulla of the semicircular canals, they are arranged within a dome of gelatinous mass. Therefore, the correct answer is D.