Neural Control and CoordinationMedium
Question
Given below is a diagrammatic cross section of a single loop of human cochlea.
Which one of the following options correctly represents the names of three different parts ?
Which one of the following options correctly represents the names of three different parts ?
Options
A.B : Tectorail membrane
C : Perilymph
D : Secretory cells
C : Perilymph
D : Secretory cells
B.C : Endolymph
D : Secretory hair cells
A : Serum
D : Secretory hair cells
A : Serum
C.D : Secretory hair cells
A : Endolymph
B : Tectorail membrane
A : Endolymph
B : Tectorail membrane
D.A : Perilymph
B : Tectorail membrane
C : Endolymph
B : Tectorail membrane
C : Endolymph
Solution
Cochlea is the main hearing organ, which is connected with saccule by short ductus reunions leading from the saccule. It consists of three filled chambers of canals the upper scala vestibuli, lower scala tympani and middle scala media. Both scala vestibuli and scala tympani are filled with perilymph while scala media is filled with endolymph. The tectorial membrane overhangs the sensory hair in scala media
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