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Ascending and Long Spinal Pathways: Dorsal Columns, Spinocervical Tract and Spinothalamic Tract

  • Chapter
Somatosensory System

Part of the book series: Handbook of Sensory Physiology ((SENSORY,volume 2))

Abstract

The organization of ascending spinal cord pathways concerned with somatosensory mechanisms is not the same for all mammals. In particular there are differences in the development of the spinocervical and spinothalamic tracts, and also subtle variations in the dorsal column system. Furthermore, the types, proportions and axonal conduction velocities of cutaneous afferent units vary according to species (see chapters 2, 3 and 4). It is obvious, therefore, that extreme caution should be exercised in 1) extrapolating results obtained from one species to another, particularly to man, 2) equating the functions of similar anatomical systems in different species, and 3) equating the functions of differently located ascending systems in different species, e. g. the spinocervical tract of carnivores with the spinothalamic tract of primates.

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  1. Edinburgh, Great Britain

    A. G. Brown

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  1. A. G. Brown
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Ainsley Iggo

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© 1973 Springer-Verlag Berlin · Heidelberg

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Brown, A.G. (1973). Ascending and Long Spinal Pathways: Dorsal Columns, Spinocervical Tract and Spinothalamic Tract. In: Iggo, A. (eds) Somatosensory System. Handbook of Sensory Physiology, vol 2. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-65438-1_11

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  • DOI: https://doi.org/10.1007/978-3-642-65438-1_11

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  • Print ISBN: 978-3-642-65440-4

  • Online ISBN: 978-3-642-65438-1

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