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castration
(kas-tra´shәn)
excision of the gonads (bilateral orchiectomy in a male or bilateral oophorectomy in a female), or destruction of the gonads, as by radiation or parasites. If this occurs before puberty, secondary sex characters will fail to develop. See also eunuch.
female castration
removal of the ovaries, or bilateral oophorectomy; called spaying in female animals.
male castration
bilateral orchiectomy.

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