Castration
surgical or chemical action that removes use of testicles
Castration is any action, surgical, chemical, or otherwise, that disables the function of testes in males: the male gonad. Surgical castration is bilateral orchiectomy (excision of both testicles), while chemical castration uses pharmaceutical drugs to deactivate the testes. Some forms of castration cause sterilization (permanently preventing the castrated person or animal from reproducing); it also greatly reduces the production of sex hormones, such as testosterone and estrogen. Surgical castration in animals is often called neutering.
Castration has been used by humans for various types of slavery, such as in the eunuchs of the Ottoman Empire, as well as a terror tactic in warfare. It was incorporated into Chinese law during the Zhou dynasty. In the United States, Thomas Jefferson wrote and proposed a bill in Virginia reducing the punishment for rape, polygamy, or sodomy from death to castration. Although it ultimately failed to pass for free citizens, by Virginia law a slave attempting to rape a White woman could be castrated.
Castration of animals is intended to favor a desired physical development of the animal or of its behavior, or to prevent overpopulation. The parallel of castration for female animals is spaying.
Begin with the source’s own compact description: “Castration” is surgical or chemical action that removes use of testicles. The dossier treats that line as a proposition to test through Castration, surgical and chemical, not as a finished interpretation.
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The phrase “surgical or chemical action that removes use of testicles” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Aug 29, 2026. The linked authority identifier is Q58929. The Library of Congress control number is sh85020752. 1 of 1 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank.
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This entry incorporates text from “Castration” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.