part 9

Question 1

what are the upper and lower part of the membranous labrynth called

Answer 1

the upper part is called Reissner’s membrane and the lower part is called Basilar’s membrane

Question 2

the inner ear is divided into three segments what are their names

Answer 2

1. Scala vestibuli
2. Scala media
3. Scala tympani

Question 3

what are the hair like projections in the Basilar’s membrane called

Answer 3

Origin of Corti which are basically neurons

Question 4

thin elastic membranes above the origin of Corti

Answer 4

Just above the hair cells, thin elastic membranes which is known as tectoral membrane is present