Bassett Collection of Stereoscopic Images of Human Anatomy

Exploration of the brain from its basal aspect

Interventricular foramen and column of fornix

Image #7-4

KEYWORDS: Brain, Diencephalon, Telencephalon, Ventricules.

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Exploration of the brain from its basal aspect

Interventricular foramen and column of fornix

The mammillothalamic tract is cut back and the column of the fornix exposed in its course around the interventricular foramen (3) and down to the mammillary body.

1 .	Septum pellucidum (ventricular surface)
2 .	Corpus callosum (ventricular surface)
3 .	Interventricular foramen
4 .	Medial nucleus of thalamus (dissected)
5 .	Fornix (body)
6 .	Choroidal vessels and meninges along roof of third ventricle (exposed in next view)
7 .	Corpus callosum (splenium)
8 .	Radiation of rostral lamina of corpus callosum (medial to position of head of caudate nucleus)
9 .	Anterior communicating artery
10 .	Free part of column of fornix
11 .	Anterior commissure (cut across)
12 .	Tectal part of column of fornix
13 .	Anterior perforated substance
14 .	Mamillothalamic tract (cut across)
15 .	Mamillary body
16 .	Interpeduncular fossa
17 .	Habenular nucleus
18 .	Substantia nigra (cut across)
19 .	Pons