occipital sinus

noun

Medical Definition of occipital sinus

: a single or paired venous sinus that arises near the margin of the foramen magnum by the union of several small veins, follows the internal occipital crest along the attached margin of the falx cerebelli, and empties into the confluence of sinuses or sometimes into one of the transverse sinuses

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“Occipital sinus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/occipital%20sinus. Accessed 28 Nov. 2020.

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