The malleus, incus, and stapes—three small bones in the middle ear commonly referred to as the hammer, anvil, and stirrup—help make mammals more sensitive to sound. The bones started out as part of ...

The eardrum then starts vibrating and these vibrations are passed to three small ear bones – called the hammer, anvil and stirrup. Many animals have ears that are able to detect ultrasound.

The three bones of the middle ear are called the ossicles. These include the hammer, anvil, and stirrup. The eardrum and the ossicles work together to increase the vibrations as the sound waves ...

The soundwaves striking the drum set up vibrations which are transmitted first through the tiny lever bones of the middle ear—the “hammer,” “anvil,” and “stirrup”—thenthrough a ...