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== Parvocellular Reticular Nucleus ==

The '''Parvocellular Reticular Nucleus''' (PRN) is a component of the [[brainstem]] that plays a significant role in the regulation of [[motor control]]. It is part of the [[reticular formation]], a set of interconnected nuclei that are located throughout the brainstem.

[[File:Gray700.png|thumb|right|300px|The location of the Parvocellular Reticular Nucleus in the brainstem (highlighted).]]

== Structure ==

The Parvocellular Reticular Nucleus is located in the [[medulla oblongata]], the lower half of the brainstem. It is situated close to the midline, adjacent to the [[paramedian reticular nucleus]]. The PRN is characterized by its small, densely packed cells, from which it derives its name - 'parvocellular' means 'small cell'.

== Function ==

The PRN is involved in the control of [[eye movement]] and [[gaze]]. It receives input from the [[superior colliculus]], a structure in the midbrain that processes visual information. The PRN also sends projections to the [[spinal cord]], influencing motor control.

== Clinical Significance ==

Damage to the PRN can result in a range of motor control disorders, including [[ataxia]] and [[dysmetria]]. It may also contribute to the development of certain [[neurodegenerative diseases]], such as [[Parkinson's disease]].

== See Also ==

* [[Reticular formation]]
* [[Brainstem]]
* [[Motor control]]

== References ==

<references />

[[Category:Neuroanatomy]]
[[Category:Brainstem]]
[[Category:Motor system]]

Parvocellular reticular nucleus - Revision history

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