The Two Tooth Surfaces That Are Proximal Surfaces Are the Mesial

question 21

Multiple Choice

The two tooth surfaces that are proximal surfaces are the mesial and:

• A)distal.
• B)labial.
• C)incisal.
• D)palatal.

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Definitions:

Cochlear

Relating to the cochlea, the spiral-shaped, inner ear structure essential for hearing.

Round Window

Membranous structure separating the scala tympani of the inner ear from the middle ear.

Basilar Membrane

Wall of the membranous labyrinth bordering the scala tympani; supports the organ of Corti.

Perilymph

The fluid that fills the space between the membrane lining the bony labyrinth and the membranous labyrinth of the inner ear, aiding in hearing and balance.