Dorsal trigeminal tract: Information from Answers.com

Brain: Dorsal trigeminal tract
NeuroNames	hier-602
NeuroLex ID	birnlex_1718

The dorsal trigeminal tract (dorsal trigeminothalamic tract, or lemniscus) is a tract which receives signals from Meissner's corpuscles and Pacinian corpuscles.^[1] this tract arises from Principal trigeminal nucleus and terminates in the VPM nucleus of the thalamus.

References

^ Fix, James D. (2002). Neuroanatomy. Hagerstown, MD: Lippincott Williams & Wilkins. pp. 180. ISBN 0-7817-2829-0.

Ventral/
(base)

Surface	Basilar sulcus

MCP	Pontocerebellar fibers · Pontine nuclei

Motor/descending	Corticospinal tract · Corticobulbar tract · Corticopontine fibers

Dorsal/
(tegmentum)

Cranial nuclei	afferent: GSA: Principal V/Spinal V · VIII-c (Dorsal, Anterior)/VIII-v (Lateral, Superior, Medial, Inferior) efferent: SVE: Motor V · VII · GSE: VI · GVE: VII: Superior salivary nucleus

MLF, III, IV and VI	Vestibulo-oculomotor fibers · Vestibulospinal tract (Medial vestibulospinal tract, Lateral vestibulospinal tract)

Sensory/ascending	Trapezoid body/VIII · Superior olivary nucleus · Trigeminal lemniscus (Dorsal trigeminal tract, Ventral trigeminal tract) · Medial lemniscus

ICP	Vestibulocerebellar tract

Motor/descending	Apneustic center · Pneumotaxic center (Medial parabrachial nucleus) · Lateral parabrachial nucleus

Surface	Cerebellopontine angle · Superior medullary velum

Raphe/
reticular

Sensory/ascending

PCML	1°: Pacinian corpuscle/Meissner's corpuscle → Gracile fasciculus/Cuneate fasciculus → Gracile nucleus/Cuneate nucleus 2°: → sensory decussation/arcuate fibers (Posterior external arcuate fibers, Internal arcuate fibers) → Medial lemniscus/Trigeminal lemniscus → Thalamus (VPL, VPM) 3°: → Posterior limb of internal capsule → Postcentral gyrus

Anterolateral	Free nerve ending → Spinothalamic tract (Lateral, Anterior) → Spinal lemniscus → Postcentral gyrus Spinoreticular tract → Reticular formation Spinotectal tract → Midbrain tectum

Motor/descending

Pyramidal	flexion: Primary motor cortex → Posterior limb of internal capsule → Decussation of the pyramids → Corticospinal tract (Lateral, Anterior) → Neuromuscular junction

Extrapyramidal	flexion: Primary motor cortex → Genu of internal capsule → Corticobulbar tract → brainstem → muscles of the face, head and neck flexion: Red nucleus → Rubrospinal tract extension: Vestibulocerebellum → Vestibular nuclei → Vestibulospinal tract extension: Vestibulocerebellum → Reticular formation → Reticulospinal tract Midbrain tectum → Tectospinal tract → muscles of neck

Bidirectional:
Spinocerebellar

Brain only

Medial longitudinal fasciculus

	Pontine nuclei
	Accessory cuneate nucleus
	Superior vestibular nucleus

	Can hydrocodone help trigeminal neuralgia? Read answer...
	Does trigeminal neuralgia resolve itself? Read answer...
	Trigeminal neuralgia rash? Read answer...

	Can a chiropractor treat trigeminal?
	Can you use this for trigeminal neuralgia?
	Would trigeminal neuralgia be neurological?