Striatopallidal fibres

The striatopallidal fibres, also Wilson's pencils,[1][2] pencil fibres of Wilson,[3] and pencils of Wilson, are prominent myelinated fibres that connect the striatum to the globus pallidus.

Micrograph of the putamen (top-right of image) and external globus pallidus (bottom-left of image) showing the striatopallidal fibres (blue, diagonal, linear structures). H&E-LFB stain.

Their distinctive appearance allows the putamen to be identified on light microscopy.

See also

References
  1. Kimura M, Kato M, Shimazaki H, Watanabe K, Matsumoto N (December 1996). "Neural information transferred from the putamen to the globus pallidus during learned movement in the monkey". J. Neurophysiol. 76 (6): 3771–86. PMID 8985875.
  2. Wilson SAK (1914). "An experimental research into the anatomy and physiology of the corpus striatum" (PDF). Brain. 36: 427–92. doi:10.1093/brain/36.3-4.427.
  3. Perry, Arie; Brat, Daniel J. (2010). Practical Surgical Neuropathology: A Diagnostic Approach: A Volume in the Pattern Recognition series (1st ed.). Churchill Livingstone. pp. 23–24. ISBN 978-0-443-06982-6.
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