Cerebral crus

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Brain: Cerebral crus
Section through superior colliculus showing path of oculomotor nerve.
Latin	crus cerebri
Gray's	subject #188 800
NeuroNames	hier-530
Dorlands/Elsevier	c_64/12268053

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.

[edit] Additional images

Human brain frontal (coronal) section

[edit] External links

• Atlas of anatomy at UMich n2a2p1
• Atlas of anatomy at UMich n1a5p3

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 As such, some of the information contained herein may be outdated.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

v • d • e Brain: mesencephalon (midbrain) Tectum (Dorsal) Corpora quadrigemina: Inferior colliculi (Brachium of inferior colliculus), Superior colliculi (Brachium of superior colliculus) Subcommissural organ • Pretectum Peduncle (Ventral) Peduncle tegmentum Periaqueductal gray (Cerebral aqueduct, Dorsal raphe nucleus) Ventral tegmentum • Pedunculopontine nucleus • Red nucleus (Rubrospinal tract, Rubro-olivary tract)  • MLF (riMLF)  • lemnisci (Medial, Lateral) cranial nuclei: GSA (V: Mesencephalic) - GSE (III: Oculomotor, IV: Trochlear) - GVE (III: Edinger-Westphal) Interstitial cell of Cajal Superior cerebellar peduncles (Decussation of superior cerebellar peduncle) Peduncle base Substantia nigra (Pars compacta, Pars reticulata) Cerebral crus: Corticospinal tract - Corticobulbar tract - Corticopontine tract/Frontopontine fibers/Temporopontine fibers Interpeduncular fossa