choroid plexus

noun

Medical Definition of choroid plexus

: a highly vascular portion of the pia mater that projects into the ventricles of the brain and secretes cerebrospinal fluid

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“Choroid plexus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/choroid%20plexus. Accessed 3 Dec. 2020.

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