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Sequence of the fluid present from uppe...

Sequence of the fluid present from upper to lower chamber of cochlea is ( P= Perilympn, E= endolymph)

A

`P - E rarr P`

B

`P rarr P - P`

C

`E - P - E`

D

`P - E - E`

Text Solution

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The correct Answer is:
### Step-by-Step Solution: 1. **Identify the Chambers of the Cochlea**: The cochlea is divided into three main chambers: - Scala Vestibuli (upper chamber) - Scala Media (middle chamber) - Scala Tympani (lower chamber) 2. **Determine the Fluids Present in Each Chamber**: - **Scala Vestibuli**: This chamber is filled with **Perilymph**. - **Scala Media**: This chamber is filled with **Endolymph**. - **Scala Tympani**: This chamber is also filled with **Perilymph**. 3. **Sequence the Fluids from Upper to Lower Chamber**: - Starting from the upper chamber (Scala Vestibuli), the fluid is **Perilymph (P)**. - Moving to the middle chamber (Scala Media), the fluid is **Endolymph (E)**. - Finally, in the lower chamber (Scala Tympani), the fluid is **Perilymph (P)** again. 4. **Write the Final Sequence**: The sequence of fluids from the upper to lower chamber of the cochlea is: - **Perilymph (P) → Endolymph (E) → Perilymph (P)**, which can be represented as **PEP**. ### Final Answer: The sequence of the fluid present from upper to lower chamber of the cochlea is **PEP** (Perilymph, Endolymph, Perilymph). ---
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