subcommissural organ
noun
sub·com·mis·sur·al organ
ˌsəb-ˌkäm-ə-ˌshu̇r-əl- 
: an aggregation of columnar cells situated between the posterior commissure and the third ventricle of the brain
Cite this Entry
“Subcommissural organ.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/subcommissural%20organ. Accessed 4 Nov. 2025.
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