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			<gallery>
			File:Cn3nucleus-en.svg\|Diagram of the cranial nerve nuclei, including the oculomotor nucleus.
			File:Human_brain_frontal_(coronal)_section_description_2.JPG\|Frontal (coronal) section of the human brain.
			</gallery>

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'''Cerebral crus''' is a part of the [[brain]]'s [[anatomy]] that is also known as the ''crus cerebri''. It is a significant component of the [[brainstem]], specifically the [[midbrain]], and plays a crucial role in connecting the [[cerebral cortex]] to the [[pons]] and [[medulla oblongata]].

== Anatomy ==

The cerebral crus is located in the [[midbrain]], which is the uppermost part of the [[brainstem]]. Each cerebral crus contains a large bundle of [[nerve fibers]], known as the [[corticospinal tract]], that carries signals from the [[cerebral cortex]] to the [[spinal cord]]. The cerebral crus also contains the [[corticobulbar tract]], which carries signals to the [[cranial nerves]].

== Function ==

The primary function of the cerebral crus is to facilitate communication between different parts of the [[brain]] and the rest of the body. The [[corticospinal tract]] within the cerebral crus is responsible for carrying signals from the [[cerebral cortex]] to the [[spinal cord]], which controls voluntary muscle movements. The [[corticobulbar tract]], on the other hand, carries signals to the [[cranial nerves]], which control the muscles of the face, head, and neck.

== Clinical significance ==

Damage to the cerebral crus can result in a variety of neurological disorders. For instance, a [[stroke]] or [[traumatic brain injury]] that affects the cerebral crus can lead to [[hemiplegia]], a condition characterized by paralysis on one side of the body. Other potential conditions include [[cerebral palsy]] and [[Parkinson's disease]], both of which can result from damage to the nerve fibers within the cerebral crus.

== See also ==

* [[Brainstem]]
* [[Cerebral cortex]]
* [[Corticospinal tract]]
* [[Corticobulbar tract]]
* [[Midbrain]]

== References ==

<references />

[[Category:Neuroanatomy]]
[[Category:Brain]]
[[Category:Neurology]]

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Cerebral crus - Revision history

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