venous sinus

Thesaurus

Noun

1.

venous sinus - a wide channel containing blood; does not have the coating of an ordinary blood vessel sinus duct, epithelial duct, canal, channel - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs" cavernous sinus, sinus cavernosus - either of a pair of large venous sinuses in the cranial cavity coronary sinus, sinus coronarius - a short sinus receiving most of the veins of the heart; empties into the right atrium sigmoid sinus, sinus sigmoideus - an S-shaped dural sinus on the temporal and occipital bones sinus rectus, straight sinus, tentorial sinus - an unpaired sinus of the dura mater sinus transversus, transverse sinus - a paired dural sinus; terminates in the sigmoid sinus