| Discriminative touch
| Pain and temperature
| Proprioception
|
| Fiber diameter: | Ab
| Ad and C
| Aa, or I and II
|
| Receptor types: | Meissner's corp., Pacinian corp., Merkel's disks, Ruffini endings
| free nerve endings
| muscle spindles,
Golgi tendon organ, joint afferents
|
| Tract with primary afferents, for the legs:
| gracile fasciculus
| Lissauer's tract
| gracile fasciculus
|
| for the arms: | cuneate fasciculus
| Lissauer's tract
| cuneate fasciculus
|
| for the face: |
| spinal tract of V
| |
| Location of first synapse, legs:
| gracile nucleus
| dorsal horn, lumbar levels
| Clarke's nucleus
|
| arms: | cuneate nucleus
| dorsal horn, cervical levels
| lateral (external) cuneate nucleus
|
| face: | main sensory nucleus of V
| spinal nucleus of V (caudalis)
| motor nucleus of V
|
| Location of crossing, legs:
| medulla
| lumbar cord
| |
| arms: | medulla
| cervical cord
| |
| face: | pons
| caudal medulla
| |
| Name of secondary afferent tract:
| medial lemniscus
| spinothalamic tract
| spinocerebellar tract
|
| Target of secondary afferents, body:
| VPL |
VPL, periaqueductal grey, reticular formation
| cerebellum
|
| face: | VPM
| VPM, periaqueductal grey, reticular formation
| |