WB JEE Medical WB JEE Medical Solved Paper-2015

  • question_answer
    Which one of the followings is the functional unit of hearing?

    A)  Utricle           

    B)  Organ of Zuckerkandl

    C)  Organ of Corti    

    D)  Vestibular apparatus

    Correct Answer: C

    Solution :

     The organ of Corti is the functional unit of hearing and contains the sound receptors that convert mechanical vibration into nerve impulses. The epithelium of the organ of Corti consists of supporting cells and hair cells. The bases of the cochlear nerve. The tips of the hairs protrude into the endolymph, the longest of them being embedded in the overlaying get-like tectaria membrane. Axons from the auditory nerve synapse at the base of the hair cells and leave the cochlear and temporal bone through the internal auditory canal tothebrainstem.


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