The sensory hair cells of the inner ear originate from the _________________.

Question

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The otic placode is a thickening of ectoderm that gives rise to the inner ear and its sensory hair cells. The pinna (A) is the visible part of the outer ear and does not give rise to inner ear structures. The neural crest (C) gives rise to many different cell types, but not sensory hair cells. The pharyngeal arches (D) give rise to various structures in the face and neck, but not the inner ear. The prosencephalon (E) is a part of the developing brain and does not give rise to the inner ear or its hair cells.

The Sensory Hair Cells of the Inner Ear Originate from the _________________