Sellar (caroticoclinoid and interclinoid). pterygospinous and pterygoalar bridges are osseous bars of the sphenoid bone. which enclose additional foramina in the skull base and could cause entrapment of nerves. occlusion of vessels and obstruction of surgical corridors. https://www.ngetikin.com/flash-choice-1-Gallon-Roll-Cote-High-Performance-Moisture-Vapor-Barrier-Coating-and-Primer-limited-super/