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aor·to·cor·o·nary .ā-.ȯrt-ə-'kȯr-ə-.ner-ē, -'kär- adj of, relating to, or joining the aorta and the coronary arteries <\aortocoronary bypass surgery>
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aor·to·cor·o·nary (a-or″to-korґə-nar-e) pertaining to or communicating with the aorta and coronary arteries.Medical dictionary. 2011.