sigmoid sinus
noun
: a sinus on each side of the brain that is a continuation of the transverse sinus on the same side, follows an S-shaped course to the jugular foramen, and empties into the internal jugular vein
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“Sigmoid sinus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sigmoid%20sinus. Accessed 29 Nov. 2024.
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