PNS Tracts

A Alpha

Propioception (awareness of body position), a sensory fiber in the PNS

A Beta

Sensory fiber in the PNS, controls touch sensation

A Delta

Nociception (quick feeling of pain) and temperature, sensory fiber in the PNS

C Fibers

Nociception (soreness and long lasting pain), temperature, and itch. Sensory fiber in the PNS

Meisser

Causes skin motion, motor fiber within the PNS

Ruffini

In charge of skin stretch, it is part of the motor tract of the PNS

Pacinian

Vibration and fine textures and is part of the motor tract of the PNS

Medial Corticospinal Tract

Motor tract that controls the neck, shoulder, and trunk muscles.

Reticulospinal Tract

Motor tract of the PNS. Postural and gross limb muscles.

Medial Vestibulospinal Tract

Motor tract of the PNS. Neck, responds to head motion.

Lateral Vestibulospinal Tract

Motor Tract of the PNS. Postural, responds to gravity information.

Lateral Corticospinal Tract

Motor Tract of the PNS. Controls all voluntary movements, goes from motor cortex to brain stem to lateral spinal cord to synapse with a motor neuron to a spinal nerve.

Spinothalamic Tract

Sensory Tract of the PNS. Controls fast nociception (immediate pain) and crude touch, Body: First order: DRG > 2nd Order: Dorsal Horn > 3rd Order: Thalamus \n Face: 1st order: Trigeminal Nerve > 2nd Order: Spinal Nucleus of CNV > Thalamus

Dorsal Column/Medial Lemniscus Tract

Sensory Tract of the PNS, controls light touch and proprioception (awareness of position)

Spinocerebellar Tract

Sensory Tract of the PNS, controls intake of movement related information.