A Fluid-Filled Channel in the Center of the Spinal Cord

question 33

Multiple Choice

A fluid-filled channel in the center of the spinal cord is called the:

• A) ventricle.
• B) central canal.
• C) raphe system.
• D) meninge.

---

Definitions:

Cochlea

A spiral-shaped, fluid-filled inner ear structure crucial for converting sound waves into electrical signals that can be interpreted by the brain as sound.

Tectorial Membrane

A structure located within the cochlea of the inner ear, playing a crucial role in the process of hearing by interacting with hair cells.

Basilar Membrane

A membrane in the cochlea of the inner ear that supports the Organ of Corti, crucial for converting sound vibrations into neural signals.

Scala Vestibule

A fluid-filled chamber in the cochlea of the inner ear that transfers sound vibrations to the cochlear duct.