Definitions for "Portal system"
Keywords:  capillary, vein, liver, drain, spleen
referring to blood moving from veins to capillaries (reverse of what is usually expected); significant structures associated with organs such as the liver and pituitary gland
system of veins that carry blood from the abdominal organs to the liver
a pathway of blood flow that begins and ends in capillaries
a way to more intelligently decide what we draw and simulate within a scene