| vidian canal | An opening through the base of the medial pterygoid process of the sphenoid bone through which pass the artery, vein, and nerve of the pterygoid canal. Synonym: canalis pterygoideus, vidian canal. (05 Mar 2000) |
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| vidian nerve | The nerve constituting the parasympathetic and sympathetic root of the pterygopalatine ganglion; it is formed in the region of the foramen lacerum by the union of the greater superficial petrosal and the deep petrosal nerves, and runs through the pterygoid canal to the pterygopalatine fossa. Synonym: nervus canalis pterygoidei, radix facialis, facial root, vidian nerve. (05 Mar 2000) |
| vidian vein | A vein accompanying the nerve and artery through the pterygoid canal and emptying into the pharyngeal venous plexus. Synonym: vena canalis pterygoidei, vidian vein. (05 Mar 2000) |
| Vidius, Guidi | <person> Italian anatomist and physician, 1500-1569. See: vidian artery, vidian canal, vidian nerve, vidian vein. (05 Mar 2000) |