arcuate fasciculus


The term arcuate fasciculus, or Fibrae arcuatae cerebri, refers to a fiber pathway in the cerebral white matter. Some authors regard it as the connection between the frontal lobe and the temporal lobe. Others as a synonym for the superior longitudinal fasciculus. See Anthoney-94 for a discussion of semantic conflicts in the use of these terms. The structures are not readily distinguished in myelin-stained cross-sections.


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