The two longitudinal ridges on the medulla oblongata where many descending fibers cross over are called the ________.
A) lateral horns
B) pyramids
C) olives
D) nuclei

Name: The two longitudinal ridges on the medulla oblongata where many descending fibers cross over are called the ________. A) lateral horns B) pyramids C) olives D) nuclei
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The pyramids are two longitudinal ridges on the anterior surface of the medulla oblongata where many descending fibers cross over.

The Two Longitudinal Ridges on the Medulla Oblongata Where Many