1. Hippocampus proper (horn of Ammon).
2. Dentate nucleus.
3. Subiculum (transition from hippocampus
proper to the parahippocampal gyrus).
5. Fimbria .
Hippocampus sea horse
Horn of Ammon horn of Egyptian goddess ram
Development of the HippocampusDevelopment of the HippocampusDevelopment of the HippocampusDevelopment of the Hippocampus
1.1. dentate gyrus 2. hippocampus proper 3. subiculumdentate gyrus 2. hippocampus proper 3. subiculum
HS:HS: hippocampal sulcushippocampal sulcus TH:TH: temporal horntemporal horn
lateral extension of the ambient cistern
that separates the thalamus from the
The transverse fissure = retro-thalamic
The transverse cerebral fissure is the next
major fissure formed after the
longitudinal (interhemispheric) fissure.
The transverse cerebral fissure is the axis
around which the temporal lobes curve
T = thalamus
i = isthmus of
Is superior lateral extension of the transverse
fissure, which extends superior to the
The choroidal fissure contains double layered pia
matter (tela choroidae), which invaginates the
medial wall of the lateral ventricle to form the
The choroidal fissure is divided into 3 parts:
Body portion Body of fornix,
Atrial portion Crus of fornix Pulvinar of
The indusium griseum, (a dorsal
extension of the hippocampus),
forms a symmetric pair of narrow
strips of gray matter running
caudal-rostrally along the dorsal
aspect of the corpus callosum in
the sub-cingulate region
Subcortical nucleus located in the temporal lobe.
Anatomically it belongs to the basal ganglia.
Functionally it belongs to the limbic system.
It is located inside the uncus
(a medial protrusion of the temporal lobe).
It is located between
the temporal pole (anterior tip of temporal lobe)
Uncal recess of the temporal horn.