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Just a note: the cerebellar tonsillar movement through the foramen magnum in response to increased intracranial pressure is called tonsillar herniation. Chiari malformation is a congential defect (with many subdivisions requiring their own Wiki), not a response to increased intracranial pressure. Kvandm91 ( talk) 18:49, 8 November 2012 (UTC)kvandm91 reply

This article does not say what the tonsil is for, anyone? -- Alessio.aguirre ( talk) 03:03, 17 March 2014 (UTC) reply