Cingulum Bundle

Jeremy D. Schmahmann and Deepak N. Pandya

in Fiber Pathways of the Brain

Published in print April 2006 | ISBN: 9780195104233
Published online May 2009 | e-ISBN: 9780199864294 | DOI:
 Cingulum Bundle

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This chapter discusses the results of the investigation of the cingulum bundle (CB) of rhesus monkey brains. The observations regarding the location and course of the CB are in general agreement with the conclusions of earlier investigators. The CB stretches from the frontal lobe around the rostrum and genu of the corpus callosum, extends caudally above the corpus callosum lateral to the cingulate gyrus, curves ventrally around the splenium, and then lies in the white matter of the ventral part of the temporal lobe— the parahippocampal gyrus. The confusing nomenclature used to designate the various components of the CB appears to be a result of the complexity of the white matter tracts conveyed within and through it. The CB may be conceptualized in the same manner as the white matter underlying any other cortical region in that it conveys long association, short association, striatal, subcortical (including thalamic and pontine), and commissural fibers.

Keywords: rhesus monkey brain; white matter; frontal lobe; corpus callosum; long association; short association

Chapter.  5891 words.  Illustrated.

Subjects: Neuroscience

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