Question

a) Draw a well labelled diagram of membranous labyrinth.
b) Based on the diagram drawn above , give a suitable term for each of the following description;
i) The part that is responsible for static balance.
ii) The membrane covered opening that connects the middle ear to inner ear.
iii) The fluidpresent in the middle chamber of cochlea.
iv) The structure that maintains dynamic balance of the body.

Answer 1

b) i) Utricle and saccule are the parts responsible for static balance.

ii) Fenestra Vestibuli is the membrane covered opening that connects the middle ear to inner ear.

iii) Endolymph is the fluid present in middle chamber of cochlea.

iv) The semicircular canals and vestibule maintains the dynamic balance of the body.