evisceration

(noun) surgical removal of an organ (or the contents of an organ) from a patient.

(noun) the act of removing the bowels or viscera; the act of cutting so as to cause the viscera to protrude. Synonyms: disembowelment.

(noun) altering something (as a legislative act or a statement) in such a manner as to reduce its value. Example: "The adoption of their amendments would have amounted to an evisceration of the act."