• Henri Duvernoy
  • Françoise Cattin
  • Pierre-Yves Risold


Hippocampal anatomy is so complex that its description can only be understood with the aid of the figures grouped at the end of this chapter.

The hippocampus forms an arc whose anterior extremity is enlarged and whose posterior extremity narrows like a comma. It can be divided into three parts: (1) an anterior part, or head; (2) a middle part, or body; and (3) a posterior part, or tail. It has a total length of between 4 and 4.5 cm.

The hippocampal body has an intraventricular part which belongs to the floor in the lateral ventricle (temporal horn). Its surface is almost entirely hidden by voluminous choroid plexuses. Its extraventricular part is composed by the margo denticulatus which forms the dentes of the gyrus dentatus.

The hippocampal head shows an intraventricular, enlarged part composed of the digitationes hippocampi, usually three or four, which is devoid of choroid plexuses. The extraventricular part belongs to the uncus which is a complex region.

The hippocampal tail has an intraventricular part with a transverse bulge oriented like the intraventricular part of the head, but smaller. Its extraventricular part forms two structures: the fasciola cinerea which is an extension of the gyrus dentatus and the gyrus fasciolaris which is an extension of the cornu Ammonis.


Choroid Plexus Posterior Cerebral Artery Parahippocampal Gyrus Stria Terminalis Temporal Horn 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Henri Duvernoy
    • 1
  • Françoise Cattin
    • 2
  • Pierre-Yves Risold
    • 3
  1. 1.Chemin des RelançonsBesançonFrance
  2. 2.Hôpital Universitaire Jean Minjoz Centre Hospitalier RégionalBesançonFrance
  3. 3.Université de Franche-ComtéBesançonFrance

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