RAJASTHAN PMT Rajasthan - PMT Solved Paper-2005

  • question_answer
    Acoustic spots in frog are present in :

    A)  ossious labyrinth

    B)  carotid

    C)  membranous labyrinth

    D)  all of these

    Correct Answer: C

    Solution :

    The wall of the membranous labyrinth of frog is lined with cubical epithelial cells. The epithelial lining, at certain places, is modified to form sensory patches called acoustic spots. There exists one acoustic spot in each ampulla, one in the utriculus, one in the sacculus, and one in the lagens. The sensory pathos of ampullae are called cristae, while the other ones arc known as maculae.


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