Cerebral crus

The cerebral crus (crus cerebri. crus means ‘leg’ in Latin.) is the anterior portion of the cerebral peduncle which contains the motor tracts, traveling from the cerebral cortex to the pons and spine. The plural of which is cerebral crura.

Cerebral crus
Obtuse section (perpendicular to the brainstem) through the superior colliculus showing label for cerebral crus at lower left.
Details
Identifiers
Latin	crus cerebri
MeSH	D065843
NeuroNames	539
NeuroLex ID	birnlex_1218
TA98	A14.1.06.005 A14.1.09.259
TA2	5880
FMA	72464
Anatomical terms of neuroanatomy [edit on Wikidata]

In some older texts, this is called the cerebral peduncle, but presently, it is usually limited to just the anterior white matter portion of it.

Additional images

• 
  Human brain frontal (coronal) section, number 28 indicates the cerebral crus.

See also

• Efferent nerve fiber
• Motor neuron (efferent neuron)
• Motor nerve

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
• Atlas image: n1a5p3 at the University of Michigan Health System
• NIF Search - Cerebral Crus via the Neuroscience Information Framework