Posterior perforated substance
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| Brain: Posterior perforated substance | ||
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| Coronal section of brain immediately in front of pons. (Post. perf. substance labeled at lower left.) | ||
| Latin | substantia perforata posterior, substantia perforata interpeduncularis | |
| Gray's | subject #188 800 | |
| NeuroNames | ancil-726 | |
| Dorlands/Elsevier | s_27/12766915 | |
The depressed area between the crura is termed the interpeduncular fossa, and consists of a layer of grayish substance, 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.
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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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