Question

The ossicles connect the:

A. tympanic membrane to the oval window

B. tympanic membane to the round window

C. oval window to the round window

D. cochlea to the tympanic membrane

E. cochlea to the oval window

Answer 1

ANSWER ) (a) Tympanic memberane to oval window

• The ossicles (also called auditory ossicles) are three bones in either middle ear that are among the smallest bones in the human body.
• These three bones are named after their shape: malleus (“hammer”), incus (anvil), and stapes(stirrup).
• The ossicles are situated in the middle ear and suspended by ligaments.
• They articulate with each other through synovial joints to form a chain across the length of the middle ear from the tympanic membrane (laterally) to the oval window (medially).

FUNCTION OF OSSICLES

• The ossicles transmit mechanical vibrations of the tympanic membrane across this chain to the oval window where fluids of the inner ear will move and excite receptors.
• This process allows sound to be transformed into electrical signals which are then sent to the brain.