splenium
noun
sple·ni·um
ˈsplē-nē-əm 
plural splenia
-nē-ə
: the thick rounded fold that forms the posterior border of the corpus callosum and is continuous by its undersurface with the fornix
Cite this Entry
“Splenium.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/splenium. Accessed 31 Oct. 2025.
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