Question

which of the following terms describes the valleys separating the convolutions on the surface of the cerebrum?
a gyri
b ventricles
c synapse
d sulci

Explanation:

• Gryi: These are the ridges (not valleys) on the cerebral cortex.
• Ventricles: These are fluid - filled cavities within the brain, not related to the surface valleys of convolutions.
• Synapse: This is the junction between two neurons for communication, not a structural feature of the cerebral surface.
• Sulci: These are the grooves or valleys that separate the gyri (convolutions) on the surface of the cerebrum.

Answer:

D. sulci