Posterior perforated substance
|Brain: Posterior perforated substance|
|Latin||substantia perforata posterior, substantia perforata interpeduncularis|
The depressed area between the crura is termed the interpeduncular fossa, and consists of a layer of gray matter, the posterior perforated substance, which is pierced by small apertures for the transmission of blood vessels; its lower part lies on the ventral aspect of the medial portions of the tegmenta, and contains a nucleus named the interpeduncular ganglion; its upper part assists in forming the floor of the third ventricle.
- Atlas image: n2a2p1 at the University of Michigan Health System
- Anatomy diagram: 13048.000-1 at Roche Lexicon - illustrated navigator, Elsevier
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