straight sinus

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Related to straight sinus: sigmoid sinus, transverse sinus, cavernous sinus, occipital sinus, confluence of sinuses
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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 ?
Primary drainage is through ectatic internal cerebral veins, the vein of Galen, and, ultimately, the straight sinus (Figure 6).
The patient underwent computed tomography (CT) scan of the head, which showed obstructive hydrocephalus and an aneurysmally dilated vein of Galen, a stenotic straight sinus, and a distended torcular Herophili.
After recurrence of her headache and continued decline in her vision, an angiogram was obtained at an outside hospital that revealed a massive DAVF fed by meningohypophyseal and middle meningeal vessels, with fistulous involvement of the sagittal sinus, straight sinus, and both transverse sinuses (Figure 1).