Posterior perforated substance

Posterior perforated substance
Coronal section of brain immediately in front of pons. (Post. perf. substance labeled at lower left.)
Details
Identifiers
Latin	substantia perforata posterior, substantia perforata interpeduncularis
NeuroNames	1580
Anatomical terms of neuroanatomy [edit on Wikidata]

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 ; its upper part assists in forming the floor of the third ventricle.

See also[]

• Anterior perforated substance

Additional images[]

• 

  Human brainstem anterior view

References[]

This article incorporates text in the public domain from page 800 of the 20th edition of Gray's Anatomy (1918)

External links[]

• Atlas image: n2a2p1 at the University of Michigan Health System
• "Anatomy diagram: 13048.000-1". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2014-01-01.

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