title: Pathogenesis of syringomyelia.
mesh_terms: D000367:Age Factors; D006801:Humans; D011312:Pressure; D013116:Spinal Cord / Q000098:blood supply; D013595:Syringomyelia / Q000134:cerebrospinal fluid / Q000209:etiology* / Q000601:surgery; D014636:Valsalva Maneuver