Lateral spinothalamic tract

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Lateral spinothalamic tract
Lateral spinothalamic tract is 5a, in blue at right center.
Diagram of the principal fasciculi of the spinal cord.
Latin	tractus spinothalamicus lateralis
Gray's	subject #185 762
Dorlands/Elsevier	t_15/12817266

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Overview

The lateral spinothalamic tract (lateral spinothalamic fasciculus) is supposed to come from cells in the dorsal column and the intermediate gray matter whose axons cross in the anterior commissure to the opposite lateral funiculus where they pass upward on the medial side of the ventral spinocerebellar fasciculus; on reaching the medulla oblongata they continue in the formatio reticularis near the median fillet and probably terminate in the ventro-lateral region of the thalamus.

It is supposed to conduct impulses of pain and temperature.

The lateral and ventral spinothalamic fasciculi are sometimes termed the secondary sensory fasciculus or spinal lemniscus.

See also

• Spinothalamic tract
• Anterior spinothalamic tract

External links

• NeuroNames ancil-964
• -744882167 at GPnotebook
• Lateral+spinothalamic+tract at eMedicine Dictionary

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e Anatomy of torso (primarily): the spinal cord
Spinal nerve	Dorsal (Root, Ganglion, Ramus) • Ventral (Root, Ramus) • Sympathetic trunk • rami communicantes (Gray, White)
Gray matter/Rexed laminae	Posterior horn (Posteromarginal nucleus, Column of Clarke, Substantia gelatinosa of Rolando, Nucleus proprius) Lateral horn/Anterior horn (Intermediolateral nucleus) Central canal/Substantia gelatinosa centralis - Gray commissure
White matter	somatic/ascending (blue) Posterior/PCML: touch: Gracilis • Cuneatus Lateral: proprioception: Spinocerebellar (Dorsal, Ventral) • pain/temp: Spinothalamic (Lateral, Anterior) • Posterolateral (Lissauer) • Spinotectal motor/descending (red) Lateral: Corticospinal (Lateral) • Ep (Rubrospinal, Olivospinal) Anterior: Corticospinal (Anterior) • Ep (Vestibulospinal, Reticulospinal, Tectospinal)
Layers	Epidural space • Dura mater • Subdural space • Arachnoid mater • Subarachnoid space • Pia mater
Other structures	Denticulate ligaments • Conus medullaris • Cauda equina • Filum terminale • Cervical enlargement • Lumbar enlargement Anterior median fissure • Posterior median sulcus Anterior white commissure

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Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .