Multiple choice

Each semicircular tube has a swollen end named ____________.

  1. Westibule

  2. Cochlea

  3. Ampulla

  4. Incus

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

Each semicircular canal has a swollen end called the ampulla, which contains sensory receptors for detecting rotational movement. The vestibule and cochlea are separate structures of the inner ear. The ampulla houses the crista ampullaris with hair cells that detect head rotation.