The pair of thick anterior bulges (pyramids)in the medulla oblongata are formed by the
A)corticobulbar tracts.
B)internal capsular tracts.
C)corticospinal tracts.
D)anterior bulbar tracts.
E)cerebral nuclei.

Question

Quizplus · Accepted Answer

The pair of thick anterior bulges in the medulla oblongata are known as pyramids and are formed by the corticospinal tracts. These tracts originate from the motor cortex in the brain and descend through the internal capsule, brainstem, and spinal cord to control voluntary movements of the body.

The Pair of Thick Anterior Bulges (Pyramids)in the Medulla Oblongata