s/n5252705

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has gloss	(noun) an unpaired sinus of the dura mater sinus rectus, straight sinus, tentorial sinus
has gloss	eng: The straight sinus (also known by the alternate anatomical term tentorial sinus), within the human head, is an area beneath the brain, which allows blood veins to span the area, from the center of the head towards the back. It drains from the inferior sagittal sinus (from the center of the brain) to the transverse sinuses (at the back of the head), then to the sigmoid sinuses below the brain. See diagram (at right): labeled in the brain as "SIN. RECTUS" (for Latin: sinus rectus).
lexicalization	eng: sinus rectus
lexicalization	eng: straight sinus
lexicalization	eng: tentorial sinus
subclass of	(noun) a wide channel containing blood; does not have the coating of an ordinary blood vessel venous sinus, sinus

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similar	e/Straight sinus