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Great illustration of Circle of Willis from @SotonBrainHub
A primer on development of intracranial vascular disease by Gregg.
Headaches are awful, but this Headache illustrative primer from @artibiotics is AWESOME.
Great illustration of C1 atlas anterior arch fractures & transverse ligament injury by viropal and a C1 primer by ebm.
How many brain skull nerve vessel structures do you know?