sinus sigmoideus


Also found in: Thesaurus, Medical.
Related to sinus sigmoideus: Sigmoid sinuses
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sinus sigmoideus - an S-shaped dural sinus on the temporal and occipital bones
venous sinus, sinus - a wide channel containing blood; does not have the coating of an ordinary blood vessel