Which structure in the spinal cord contains the sensory fibers?

The dorsal root of the spinal cord is responsible for carrying sensory fibers. These fibers transmit sensory information from the body to the spinal cord and then up to the brain for processing. The dorsal root is an extension of the spinal nerve that contains afferent nerve fibers, which are specifically designed to convey sensations such as touch, temperature, pain, and proprioception.

In contrast, the ventral root contains motor fibers that carry signals from the spinal cord to the muscles, thus facilitating movement. The gray commissure serves as a bridge of gray matter connecting the two sides of the spinal cord and does not play a direct role in sensory information transmission. The central canal is a narrow channel filled with cerebrospinal fluid, providing nourishment and cushioning but does not contain sensory fibers. This distinction underscores the functional specialization of different components in the spinal cord's anatomy.