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nmdcat.online July 7, 2026

In the mechanism of hearing, the fluid-filled channel of the cochlea that directly houses the organ of Corti is the

A. Scala vestibuli
B. Scala tympani
C. Cochlear duct (Scala media)
✓
D. Semicircular canal

📝 Explanation

The organ of Corti sits on the basilar membrane within the cochlear duct (scala media), which is filled with endolymph. The scala vestibuli and scala tympani contain perilymph.

📖 Additional Information

  • Scala vestibuli
  • Scala tympani
  • Cochlear duct (Scala media)
  • Semicircular canal

The organ of Corti sits on the basilar membrane within the cochlear duct (scala media), which is filled with endolymph. The scala vestibuli and scala tympani contain perilymph.

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