Acoustic spots in frog is present in

Options

A. Ossious labyrinth
B. Carotid
C. Membranous labyrinth
D. All of these

Answer

C

Explanation

Acoustic spots occur in the amullae of semicircular ducts of internal ear or the membranous labyrinth. The wall of the membranous labyrinth of frog is lined with cubical epithelial cells. The epithelial liring. At certain places, is modified to form sensory pathces called acoustic spots. There exist one in the utriculus, one is the sacculus, and one in the legnes. The sensory paths of ampulae are called cristae, while the otehr one are known as maculae.