fossa incudis
anatomy
Quick Summary
The fossa incudis is a small depression in the rear wall of the middle-ear cavity. This anatomical feature serves as an anchor point for a minute ligament that fixes the short process of the incus bone. The incus, also known as the anvil, is one of the three auditory ossicles—tiny bones in the middle ear that transmit sound vibrations from the eardrum to the inner ear. These ossicles, including the malleus (hammer) and stapes (stirrup), form a chain that plays a crucial role in hearing.12
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