SINCE 1828
sphenoparietal sinus
noun
sphe·no·pa·ri·etal sinus
| \ ˌsfē-nō-pə-ˈrī-ət-ᵊl-
\
\
Medical Definition of sphenoparietal sinus
: a venous sinus of the dura mater on each side of the cranium arising at a meningeal vein near the apex of the lesser wing of the sphenoid bone and draining into the anterior part of the cavernous sinus
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