Nucleus of the posterior commissure

{{Infobox brain|Name=Nucleus of the posterior commissure|System=|Function=|Location=Midbrain}}

The nucleus of the posterior commissure is one of the accessory oculomotor nuclei situated in the mesencephalon (midbrain) at its junction with the diencephalon.{{Cite book |last=Kiernan |first=John A. |title=Barr's The Human Nervous System: An Anatomical Viewpoint |last2=Rajakumar |first2=Nagalingam |date= |publisher=Wolters Kluwer Lippincott Williams & Wilkins |year=2013 |isbn=978-1-4511-7327-7 |edition=10th |location=Philadelphia |pages=156}} It is involved in coordinating head-eye movements{{Cite book |last=Patestas |first=Maria A. |title=A Textbook of Neuroanatomy |last2=Gartner |first2=Leslie P. |date= |publisher=Wiley-Blackwell |year=2016 |isbn=978-1-118-67746-9 |edition=2nd |location=Hoboken, New Jersey |pages=321-322}} (particularly vertical conjugate eye movements (gaze)). It is situated near the oculomotor nucleus. It is thought to receive afferents from the ipsilateral cerebellum.{{Cite book |last=Standring |first=Susan |url=https://www.worldcat.org/oclc/1201341621 |title=Gray's Anatomy: The Anatomical Basis of Clinical Practice |publisher=Elsevier |year=2020 |isbn=978-0-7020-7707-4 |edition=42th |location=New York |pages=455 |oclc=1201341621}}