Question

Internal ear is filled with

• A. Perilymph
• B. Endolymph
• C. Lymph
• D. Both A and B

Answer 1

Answer: (D)

Both A and B

The bony labyrinth is the cavity of the inner ear. It consists of the central vestibule, the semicircular canals, and the cochlea. Inside the bony labyrinth lies a complicated membranous sac, called as the membranous labyrinth. The small space between the wall of the bony labyrinth and the wall of the membranous labyrinth is filled with a fluid called as perilymph. The space within the membranous labyrinth is filled with endolymph.