The modiolus is the center core of the cochlea. It is a conical-shaped structure that is made up of spongy bone. The modiolus contains the spiral ganglion, which is a collection of nerve cells that transmit sound information from the cochlea to the brain. The modiolus also contains the spiral lamina, which is a thin, bony shelf that supports the organ of Corti.

What is the modiolus in ear?

The modiolus is located in the cochlea, which is a spiral-shaped structure in the inner ear. The cochlea is responsible for converting sound waves into electrical signals that are sent to the brain. The modiolus is the central axis of the cochlea, and it contains the spiral ganglion, which is a collection of nerve cells that transmit sound information from the cochlea to the brain.

What is the modiolus formed by?

The modiolus is formed by spongy bone. The spongy bone is made up of small, interconnected cavities that are filled with air. This allows the modiolus to be lightweight and flexible, which is important because it needs to be able to vibrate in response to sound waves.

Which muscles insert at modiolus?

There are no muscles that insert at the modiolus. However, the modiolus is surrounded by a number of muscles, including the stapedius muscle and the tensor tympani muscle. These muscles help to protect the ear from loud sounds.

How many muscles meet at modiolus?

There are no muscles that meet at the modiolus. However, the modiolus is surrounded by a number of muscles, including the stapedius muscle and the tensor tympani muscle. These muscles help to protect the ear from loud sounds.

The modiolus is an important structure in the ear. It contains the spiral ganglion, which is necessary for hearing. The modiolus is also responsible for transmitting sound information from the cochlea to the brain.