# Longitudinal striae

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{{Short description|Nerve fibres along the corpus callosum}}
{{Infobox anatomy
|Name = Longitudinal striae
|Latin = stria longitudinalis medialis, stria longitudinalis lateralis
}}
In human [neuroanatomy](/source/neuroanatomy), the '''longitudinal striae''' (also '''striae lancisi''' or '''nerves of Lancisi''') are two bundles of fibres embedded in the [indusium griseum](/source/indusium_griseum) running along the [corpus callosum](/source/corpus_callosum) of the [brain](/source/brain).  They were originally described by Italian physician, epidemiologist and anatomist [Giovanni Maria Lancisi](/source/Giovanni_Maria_Lancisi).<ref>{{cite journal|last=Di Ieva|first=Antonio|author2=Tschabitscher, Manfred|author3=y Baena, Riccardo Rodriguez|title=Lancisi's Nerves and the Seat of the Soul|journal=Neurosurgery|date=1 March 2007|volume=60|issue=3|pages=563–568|doi=10.1227/01.NEU.0000249283.46514.93|pmid=17327802}}</ref> The striae are categorized as medial longitudinal stria and lateral longitudinal stria; the area between the striae is a useful neurosurgical mark of the middle of the corpus callosum.

After the indisium griseum curves along the rostrum of the corpus callosum the combined striae continue toward the [amygdala](/source/amygdala) as part of the [diagonal band of Broca](/source/diagonal_band_of_Broca).<ref name="Naidich">{{cite book |last1=Naidich |first1=Thomas P. |last2=Castillo |first2=Mauricio |last3=Cha |first3=Soonmee |last4=Smirniotopoulos |first4=James G. |title=Imaging of the Brain, Expert Radiology Series,1: Imaging of the Brain |url=https://books.google.com/books?id=TUfZSKldJRwC&q=longitudinal+striae&pg=PA224 |publisher=Elsevier Health Sciences |language=en |date=31 October 2012|isbn=978-1416050094 }}</ref>

==References==
{{Reflist}}

==External links==
* [http://www.med.umich.edu/ UMichAtlas] [http://www.med.umich.edu/lrc/coursepages/m1/anatomy2010/html/atlas/n1a5p10.html n1a5p10]

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Category:Neuroanatomy

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Adapted from the Wikipedia article [Longitudinal striae](https://en.wikipedia.org/wiki/Longitudinal_striae) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Longitudinal_striae?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.