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duct of Cu·vier | \ -ˈk(y)ü-vē-ˌā 
, -kᵫ̅v-ˈyā \
, -kᵫ̅v-ˈyā \Medical Definition of duct of Cuvier
: either of a pair of large transverse venous sinuses that conduct blood from the cardinal veins to the sinus venosus of the vertebrate embryo
— called also common cardinal vein
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