Investig Magn Reson Imaging.  2021 Jun;25(2):59-75. 10.13104/imri.2021.25.2.59.

The Fornix: Functional Anatomy, Normal Neuroimaging, and Various Pathological Conditions

Affiliations
  • 1Department of Radiology, Dongguk University Ilsan Hospital, Goyang-si, Korea
  • 2Department of Radiology, Uijongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Uijongbu-si, Korea

Abstract

The fornix is the major white-matter outflow tract from the hippocampus; it has a significant role in cognitive function. It is readily imaged via magnetic resonance imaging; its main parts are the crura, commissure, body, and columns. In this pictorial essay, we describe and illustrate the functional and imaging anatomy of the fornix and limbic system, as well as various disease entities involving the fornix.

Keyword

Limbic system; Fornix; Magnetic resonance imaging
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