| coccygodynia | Coccyodynia pain in the coccygeal region. Synonym: coccyalgia, coccydynia, coccygalgia, coccyodynia. Origin: coccyx + G. Odyne, pain (05 Mar 2000) |
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| coccygotomy | Operation for freeing the coccyx from its attachments. Origin: coccyx + G. Tome, a cutting (05 Mar 2000) |