posterior commissure

noun

Medical Definition of posterior commissure

: a bundle of white matter crossing from one side of the brain to the other just rostral to the superior colliculi and above the opening of the aqueduct of Sylvius into the third ventricle

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Dictionary Entries Near posterior commissure

posterior column

posterior commissure

posterior communicating artery

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Cite this Entry

“Posterior commissure.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/posterior%20commissure. Accessed 3 Jul. 2022.

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