A) rabbit
B) frog
C) man
D) all of these
Correct Answer: B
Solution :
The middle ear of frog consists of only a single rod-shaped bone called columella auris (stapes - modified hyomandibular) which extends across the tympanic chamber from tympanic membrane to fenestra ovalis. Its inner end (base) called stapedial plate, is like a subspherieal cartilage plug fitting upon the fenestra ovalis.You need to login to perform this action.
You will be redirected in
3 sec