CLINICAL MEDICINE

Detailed explanation-1: -Afferent neurons carry information from sensory receptors of the skin and other organs to the central nervous system (i.e., brain and spinal cord), whereas efferent neurons carry motor information away from the central nervous system to the muscles and glands of the body.

Detailed explanation-2: -Ascending tracts carry impulses along the spinal cord toward the brain, and descending tracts carry them from the brain or higher regions in the spinal cord to lower regions.

Detailed explanation-3: -The corticospinal tract belongs to one of the most important descending tracts of the CNS. It contains fibers from the upper motor neurons to synapse on the lower motor neurons. Upper motor neurons (UMN) can be described as the nerve fibers responsible for the communication between the brain to the spinal cord.

Detailed explanation-4: -Sensory nerve carries impulses from various parts of the body to the brain and the spinal cord whereas motor nerves carry impulses from the brain and spinal cord to various parts of the body.

Detailed explanation-5: -The spinal cord is a vital aspect of the CNS found within the vertebral column. The purpose of the spinal cord is to send motor commands from the brain to the peripheral body as well as to relay sensory information from the sensory organs to the brain.