Relating to or surrounding blood vessels; located around or near blood vessels.
Modern medical term combining circum- 'around' with vascular (from Latin vascularis, relating to vessels). Coined in the 20th century as medical terminology became more precise and anatomically specific.
Circumvascular tissues are crucial for protecting blood vessels in the brain and other delicate organs—they're like the insulation on electrical wires, keeping everything working properly and preventing leaks.
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