Indusium griseum

Indusium griseum
Scheme of rhinencephalon. (Indusium griseum labelled as gyrus supercallosus at center top.)
Corpus callosum from above.
Identifiers
NeuroNames173
NeuroLex IDbirnlex_1316
TA98A14.1.09.246
TA25526
FMA62488
Anatomical terms of neuroanatomy

The indusium griseum, (supracallosal gyrus, gyrus epicallosus) consists of a thin membranous layer of grey matter in contact with the upper surface of the corpus callosum and continuous laterally with the grey matter of the cingulate cortex.

On either side of the midline of the indusium griseum are two ridges formed by bands of longitudinally directed fibers known as the medial and lateral longitudinal striae.[1]

The indium griseum is prolonged around the splenium of the corpus callosum as a delicate layer, the fasciolar gyrus,[2] which is continuous below with the surface of the dentate gyrus. Toward the genu of the corpus callosum it curves down along the rostrum to form the subcallosal gyrus.[3]

References

Public domain This article incorporates text in the public domain from page 827 of the 20th edition of Gray's Anatomy (1918)

  1. ↑ Di Ieva, A; Fathalla, H; Cusimano, MD; Tschabitscher, M (January 2015). "The indusium griseum and the longitudinal striae of the corpus callosum". Cortex. 62: 34–40. doi:10.1016/j.cortex.2014.06.016. PMID 25091482. S2CID 1246791.
  2. ↑ "fasciola cinerea". TheFreeDictionary.com.
  3. ↑ Naidich, Thomas P.; Castillo, Mauricio; Cha, Soonmee; Smirniotopoulos, James G. (31 October 2012). Imaging of the Brain, Expert Radiology Series,1: Imaging of the Brain. Elsevier Health Sciences. ISBN 978-1416050094.
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