This structure contains the basilar membrane, which is responsible for transduction of sound waves into electrical signals in the vestibulochochlear nerve

Question

BlackTom AI · Accepted Answer

The question asks about the structure that contains the basilar membrane, which transduces sound waves into electrical signals for the vestibulocochlear nerve.
Option 1: cochlea. This choice correctly points to the cochlea as the auditory structure housing the basilar membrane, which performs mechanical-to-electrical transduction via hair cells. This is the central element in the auditory pathway, aligning with the given description.
Option 2: mechanoreceptor. While mechanoreceptors are sensory receptors that respond to mechanical stimuli, this term is too general and does not specify the anatomical organ that contains the basilar membrane. It would not directly name the structure responsible for housing the basilar membrane.
Option 3: cilia. Cilia are hairlike projections found on many cell types, including auditory hair cells, and play a role in mechanotransduction. However, they are not the structure that contains the basilar membrane; they are part of the hair cells themselves, not the broader organ that houses the membrane.
Option 4: semicircular canals. The semicircular canals are part of the vestibular system, responsible for detecting angular head movements, not for sound transduction. They do not contain the basilar membrane and thus are unrelated to this specific transduction pathway.

This structure contains the basilar membrane, which is responsible for transduction of sound waves into electrical signals in the vestibulochochlear nerve单项选择题

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