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The Rexed laminae comprise a system of ten layers of grey matter (I-X), identified in the early 1950s by Bror Rexed to label portions of the spinal cord. [1][2]
Similar to Brodmann areas, they are defined by their cellular structure rather than by their location, but the location still remains reasonably consistent.
Laminae
- I-VI: Posterior/dorsal horn
- Lamina I: posteromarginal nucleus
- Laminae II/III: substantia gelatinosa
- Laminae III/IV/V: nucleus proprius
- Lamina VI: nucleus dorsalis
- VII-IX: Anterior/ventral horn
- Lamina VII: intermediolateral nucleus
- Lamina VIII: motor interneurons
- Lamina IX: motor neurons which also contain the nucleus of onuf in the sacral region
- Lamina X: neurons bordering Central canal
References
- ^ Rexed B (1952). "The cytoarchitectonic organization of the spinal cord in the cat.". J Comp Neurol 96 (3): 414–95. doi:. PMID 14946260.
- ^ Rexed B (1954). "A cytoarchitectonic atlas of the spinal cord in the cat.". J Comp Neurol 100 (2): 297–379. doi:. PMID 13163236.
External links
- Overview at University of the West Indies
- Overview at University of Medicine and Dentistry of New Jersey
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- This page was last modified on 5 June 2008, at 15:05.
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