Question

in function, the posterior spinal root differs from the anterior spinal root in that the posterior spinal root carries_____impulses____the spinal cord and the anterior spinal root carries___impulses____the spinal cord.

Answer 1

The posterior spinal root carries sensory impulses into the spinal cord, while the anterior spinal root carries motor impulses out of the spinal cord.

Step-by-step explanation:

In function, the posterior spinal root differs from the anterior spinal root in that the posterior spinal root carries sensory impulses into the spinal cord, and the anterior spinal root carries motor impulses out of the spinal cord. The posterior roots are associated with the dorsal root ganglia, which contain the cell bodies of sensory neurons.

These neurons transmit sensory information such as touch, proprioception, pain, and temperature from the periphery to the spinal cord, entering the posterior horn.

Conversely, the anterior roots consist of axons from motor neurons located in the anterior horn of the spinal cord's gray matter, which send out motor commands to muscles and glands.