Relating to a carcinoma-associated substance present in embryonic tissue, as a carcinoembryonic antigen. ... (05 Mar 2000) ... 
(kahr″sĭ-no-em″bre-on´ik) occurring both in carcinoma and in embryonic tissue, such as carcinoembryonic antigen.
Type: Term Pronunciation: kar′si-nō-em-brē-on′ik Definitions: 1. Relating to a carcinoma-associated substance present in embryonic tissue, as a carcinoembryonic antigen.