Which Structure is Not Considered to Be Part of the Membranous

Question

Which structure is not considered to be part of the membranous labyrinth?
A) Vestibule
B) Semicircular duct
C) Saccule
D) Cochlear duct
E) Utricle

Accepted Answer

The vestibule is part of the bony labyrinth, not the membranous labyrinth. The membranous labyrinth includes the semicircular ducts, saccule, cochlear duct, and utricle.