Fig. 3. Histological sections (Masson’s trichrome) the basilar venous plexus. (A) The plexus (arrows) is seen within the dura mater overlying the clivus. The trabecular portion of the clivus is labeled with black font and the cortical surface of the clivus is labeled with white font. (B) The plexus (BVP) is seen at greater magnification (portion within the yellow box on the A) with the presence of an intraluminal septation (*). Also, note the blood cells (BCs) within the basilar venous plexus.
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