You searched for: “columella
1. A tiny bone in the middle ear of all land vertebrates that transmits sound waves from the eardrum to the inner ear and corresponds to the stapes in mammals.

The stapes is a small stirrup-shaped bone in the middle ear of mammals, the innermost of the three small bones that transmit vibration to the inner ear.
2. A small column (or structure resembling a column) that is a part of a plant or an animal.

This entry is located in the following unit: -ellus, -ella, -ellum + (page 1)