Pathways Info

Dorsal column medial leminscus origin

DRG collateral

Dorsal collateral medial lemiscus spinal location

Dorsal funiculus

Dorsal collateral medial lemiscus spinal side

Ipsilateral

Dorsal collateral medial lemiscus supraspinal site

Gracile/cuneate nucleus

Dorsal collateral medial lemiscus function

Tactile and conscious propioception

Spinocervicothalamic origin

Dorsal horn

Spinocervicothalamic spinal location

Lateral funiculus

Spinocervicothalamic spinal side

Ipsilateral

Spinocervicothalamic supraspinal site

Second cervical (C2)

Spinocervicothalamic function

Sensory-discriminative- pain, tactile, conscious propioception

Lateral spinothalamic origin

Dorsal horn

Lateral spinothalamic spinal location

Lateral funiciulus

Lateral spinothalamic supraspinal site

VCL Thalamus

Lateral spinothalamic function

Sensory-discriminative pain, temperature

Medial spinothalamic origin

Dorsal horn

Medial spinothalamic spinal location

Ventral funiculus

Medial spinothalamic spinal side

Bilateral

Medial spinothalamic supraspinal site

Medial thalamus

Medial spinothalamic function

Motivational-affective pain

Spinoreticular origin

Dorsal horn

Spinoreticular spinal location

Lateral funiculus

Spinoreticular spinal side

Bilateral

Dorsal spinocerebellar origin

Dorsal horn

Dorsal spinocerebellar spinal location

Lateral funiculus

Dorsal spinocerebellar spinal side

Ipsilateral

Dorsal spinocerebellar supraspinal site

Cerebellum

Dorsal spinocerebellar function

Unconscious propioception

Ventral spinocerebellar origin

Dorsal horn

Ventral spinocerebellar spinal location

Lateral funiculus

Ventral spinocerebellar spinal side

Contralateral

Ventral spinocerbellar supraspinal site

Cerebellum

Ventral spinocerebellar function

Spinal CPG monitoring

Which tracts are both bilateral

Medial spinothalamic and spinoreticular

Which tracts have the same supraspinal sites in thalamus

Lateral and medial spinothalamic, spinoreticular

Which tracts have contralateral spinal side

Lateral spinothalamic and ventral spinocerebellar

UMN Corticospinal origin

Motor cortex

Corticospinal spinal site

Lateral funiculus

Corticospinal spinal side

Contralateral

Corticospinal spinal termination

Distal limb LMNs/CPG

Corticospinal function

Facilitate flexion

Inhibition extension

Rubrospinal origin

Red nucleus

Rubrospinal spinal site

Lateral funiculus

Rubrospinal spinal side

Contralateral

Rubrospinal spinal term.

Forelimb LMNs/CPG

Rubrospinal function

Facilitate flexion, inhibit extension

Lateral vestibulospinal origin

Lateral vestibular nucleus

Lateral vestibulospinal spinal site

Ventral funiculus

Lateral vestibulospinal spinal side

Ipsilateral

Lateral vestibulospinal spinal term.

Prox./axial LMNs/CPG

Lateral vestibulospinal function

Facilitate extension

Inhibit flexion

Medulla reticulospinal origin

Medullary RF

Medullary reticulospinal spinal site

Ventral funiculus

Tectospinal origin

Rostral colliculus

Tectospinal spinal site

Ventral funiculus

Tectospinal spinal side

Contralateral

Tectospinal spinal term.

Prox./axial LMNs/CPG

Tectospinal function

Visual/audit startle reflexes

Which tracts are on lateral funiculus

Corticospinal and Rubrospinal

Contralateral motor tracts

Corticospinal, Rubrospinal, tectospinal

Corticobulbar tract

Control muscles of face, neck, chewing

Caudal cerebellar peduncle input

Balance and propioception from vestibular nuclei and spinal cord

Caudal cerebellar peduncle output

Vestibular and reticular nuclei

Middle cerebellar peduncle input

Motor planning

Rostral cerebellar peduncle input

Propioceptive fibers from head and spinal cord

Rostral cerebellar peduncle output

Fine motor and unconscious motor control

Edinger-Westphal Nucleus

Control pupillary constriction and lens accomodation

Salivatory nucleus

Control saliva (tear) production

Dorsal motor nucleus of vagus

Parasympathetic, heart lungs, digestive system (homeostasis)

Nucleus ambiguus

Cardiac inhibition and bronchoconstriction in lungs

Rubrobulbar tract

Chewing, swallowing, facial expression