Multiple choice

Which of the following liquid is filed within the westibule,semicircular tubes and cochlea?

  1. Endolymph

  2. Perilymph

  3. Vitrious humor

  4. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Endolymph is the fluid that fills the membranous labyrinth including the vestibule, semicircular canals, and cochlea. It has a unique ionic composition similar to intracellular fluid (high potassium, low sodium) essential for hair cell function. Perilymph fills the space between membranous labyrinth and bone.