Systemic venous system 5424361 219306273 2008-06-14T16:20:40Z Apollo Gilgamesh 5865767 In [[human anatomy]], the '''systemic venous system''' is the [[vein]]s that drain into the [[right atrium]] ''without'' passing through two vascular beds (i.e. they originate from a set of [[capillaries]] and do not pass through a second set of capillaries before reaching the right side of the [[heart]]). The term ''systemic venous system'' is often used to differeniate veins from veins that drain the [[pulmonary veins|pulmonary]] system (the [[pulmonary venous system]]) and veins that drain the [[digestive tract]] (the [[portal venous system]]). Large veins that are considered part of the ''system venous system'' are the: *[[Superior vena cava]] *[[Inferior vena cava]] ==See also== *[[Pulmonary venous system]] *[[Portal venous system]] {{Veins}} [[Category:Veins]] {{circulatory-stub}}