The descending spinal tract that crosses to the opposite side of the body within the pyramids of the medulla oblongata is the ________ tract.
A)lateral corticospinal
B)anterior corticospinal
C)rubrospinal
D)reticulospinal
E)vestibulospinal

Question

Quizplus · Accepted Answer

The lateral corticospinal tract is a descending pathway that crosses to the opposite side of the body within the pyramids of the medulla oblongata. The other tracts listed either do not cross to the opposite side (anterior corticospinal) or originate from other parts of the brainstem (rubrospinal, reticulospinal, vestibulospinal).

The Descending Spinal Tract That Crosses to the Opposite Side