straight sinus


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Noun1.straight sinus - an unpaired sinus of the dura mater
venous sinus, sinus - a wide channel containing blood; does not have the coating of an ordinary blood vessel
References in periodicals archive ?
However, the MR venogram showed occlusion of superior sagittal sinus, straight sinus, and bilateral transverse sinus [Figure 1]b and [Figure 1]c.
Primary drainage is through ectatic internal cerebral veins, the vein of Galen, and, ultimately, the straight sinus (Figure 6).
Cerebral artery MR angiography, bilateral carotis arteries, anterior cerebral artery, pericallosal artery and mid cerebral artery, Willis Polygon arterial structures, basilar artery, and arteria cerebri posterior branches were normal; no aneurysm, malformation or displacement were detected; venous MR angiography revealed a slightly weakened right transverse sinus calibration (variation) and normal sagittal sinus, straight sinus, left transverse and sigmoid sinus alignments and calibrations.