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Cerebral crus

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Brain: Cerebral crus
Cn3nucleus
Section through midbrain showing label for cerebral crus at lower left.
[[Image:|250px|center|]]
Latin crus cerebri
Gray's subject #188 800
Part of
Components
Artery
Vein
BrainInfo/UW hier-530
MeSH [1]

The cerebral crus is the anterior portion of the cerebral peduncle which contains the motor tracts, the plural of which is cerebral crura.

In some older texts, it is used as a synonym for the entire cerebral peduncle, not just the anterior portion of it.

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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 As such, some of the information contained herein may be outdated.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.


Mesencephalon (midbrain)

cerebral peduncle: midbrain tegmentum (periaqueductal gray, ventral tegmentum, nucleus raphe dorsalis), pretectum, substantia nigra, red nucleus, pedunculopontine nucleus, medial longitudinal fasciculus, medial lemniscus, rubrospinal tract, lateral lemniscus

tectum: corpora quadrigemina, inferior colliculi, superior colliculi

cerebral aqueduct: oculomotor nucleus, trochlear nucleus, Edinger-Westphal nucleus

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