What does the ventral white commissure primarily connect?

The ventral white commissure primarily connects the left and right sides of the spinal cord. This structure consists of a transversely oriented bundle of axons that facilitates communication between the two sides of the spinal cord, allowing for the integration of sensory and motor information across the midline. This connection is crucial for coordinating movements and processing sensory inputs that require bilateral integration.

The other options refer to different neural pathways and connections. The dorsal and ventral horns refer to specific regions of the gray matter within the spinal cord that handle sensory and motor information, respectively, but they do not directly relate to the task of interconnecting the left and right sides. The spinal cord and brainstem connection involves different structures and pathways such as the pyramids and other tracts, while spinal nerves carry information to and from the spinal cord but do not describe the commissural connection within the spinal cord itself.