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Epidural venous plexus
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<p>The epidural venous plexus is a <a href="/facts/Venous_plexus/AyB6ILlV">venous plexus</a> embedded within the epidural fat of the vertebral canal. It is situated within the anterior <a href="/facts/Epidural_space/dm5vq6Xz">epidural space</a> (the outermost part of the <a href="/facts/Spinal_canal/hjqaTmyE">spinal canal</a>). The plexus extends from the <a href="/facts/Skull_base/KMk9F4Gl">skull base</a> to the <a href="/facts/Sacrum/CTFnjSm0">sacrum</a>. It is surrounded by sparse fat (although its levels increase inferiorly). It drains into the <a href="/facts/Cavernous_sinus/fn8CHXxX">cavernous sinus</a> of the <a href="/facts/Cranial_cavity/TlXKf6dl">cranial cavity</a>; it also communicates with the <a href="/facts/Radicular_veins/tT0DdmAK">radicular veins</a>. </p>