Dictionary

sinus venosus

noun si·nus ve·no·sus \ˈsī-nəs-vi-ˈnō-səs\

Definition of SINUS VENOSUS

:  an enlarged pouch that adjoins the heart, is formed by the union of the large systemic veins, and is the passage through which venous blood enters the heart in lower vertebrates and in embryos of higher forms

Origin of SINUS VENOSUS

New Latin, venous sinus
First Known Use: circa 1839

sinus venosus

noun si·nus ve·no·sus \ˌsī-nəs-vi-ˈnō-səs\   (Medical Dictionary)

Medical Definition of SINUS VENOSUS

:  an enlarged pouch that adjoins the heart, is formed by the union of the large systemic veins, and is the passage through which venous blood enters the heart in lower vertebrates and in embryos of higher forms

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