spinothalamic tract

spinothalamic tract
spinothalamic tract n any of four tracts of nerve fibers of the spinal cord that are arranged in pairs with one member of a pair on each side and that ascend to the thalamus by way of the brain stem:
a) one on each side of the anterior median fissure that carries nerve impulses relating to the sense of touch called also anterior spinothalamic tract, ventral spinothalamic tract
b) one on each lateral part of the spinal cord that carries nerve impulses relating to the senses of touch, pain, and temperature called also lateral spinothalamic tract

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tractus spinothalamicus lateralis.

Medical dictionary. 2011.

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  • Spinothalamic tract — Infobox Brain Name = PAGENAME Latin = GraySubject = 185 GrayPage = 760 Caption = Spinothalamic tract is 5, in blue at right. Caption2 = Diagram of the principal fasciculi of the spinal cord. (Anterior and posterior spinothalamic fasciculus is… …   Wikipedia

  • Lateral spinothalamic tract — Infobox Anatomy Name = PAGENAME Latin = tractus spinothalamicus lateralis GraySubject = 185 GrayPage = 762 Caption = Lateral spinothalamic tract is 5a, in blue at right center. Caption2 = Diagram of the principal fasciculi of the spinal cord.… …   Wikipedia

  • Anterior spinothalamic tract — Infobox Anatomy Name = PAGENAME Latin = tractus spinothalamicus anterior GraySubject = 185 GrayPage = 760 Caption = Anterior spinothalamic tract is 5b, in blue at right. Caption2 = Diagram of the principal fasciculi of the spinal cord. (Anterior… …   Wikipedia

  • anterior spinothalamic tract — n SPINOTHALAMIC TRACT (a) …   Medical dictionary

  • lateral spinothalamic tract — n SPINOTHALAMIC TRACT (b) …   Medical dictionary

  • ventral spinothalamic tract — n SPINOTHALAMIC TRACT (a) …   Medical dictionary

  • spinothalamic tract anterior — tractus spinothalamicus anterior …   Medical dictionary

  • spinothalamic tract lateral — tractus spinothalamicus lateralis …   Medical dictionary

  • spinothalamic tract ventral — tractus spinothalamicus anterior …   Medical dictionary

  • tract — An elongated area, e.g., path, track, way. SEE ALSO: fascicle. SYN: tractus. [L. tractus, a drawing out] alimentary t. SYN: digestive t.. anterior corticospinal t. uncrossed fibers forming a small bundle in the anterior funiculus of the …   Medical dictionary

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