plural of sinus venosus

The quality of being venous or venose. / A condition in which the circulation is retarded, and the entire mass of blood is less oxygenated than it normally is.

plural of venosity

plural of venosinus (but the word is rare in its plural inflection, being rare outside of its attributive sense)

A venous sinus, especially a dural venous sinus (but see usage notes).