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sa·cro·coc·cy·geal .sā-krō-käk-'sij(-ē)-əl, .sak-rō- adj of, relating to, affecting, or performed by way of the region of the sacrum and coccyx <a \sacrococcygeal teratoma>
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sa·cro·coc·cy·ge·al (sa″kro-kok-sijґe-əl) pertaining to or located in the region of the sacrum and coccyx.Medical dictionary. 2011.