Question

Question was provided via image upload.

Explanation:

Identify the highlighted histological structure

Using the Cochlea Histology knowledge point

• The provided histological section shows a cross-section of a turn of the cochlea.
• The cochlear duct (scala media) is the middle triangular space, bounded superiorly by the vestibular membrane (Reissner's membrane) and inferiorly by the basilar membrane.
• The green highlighted region is located directly beneath the organ of Corti, forming the floor of the scala media.
• This specific floor structure supporting the sensory hair cells is the basilar membrane.

Match with the multiple-choice options

• Option A: Basilar membrane
• Option B: Nerve fibers of cochlea
• Option C: Stria vascularis
• Option D: Spiral ganglion
• Option E: Spiral ligament of cochlea
• The green highlighted structure corresponds to Option A, the basilar membrane.

Answer:

• (A) Basilar membrane (Correct answer)
• (B) Nerve fibers of cochlea
• (C) Stria vascularis
• (D) Spiral ganglion
• (E) Spiral ligament of cochlea