car·ci·no·em·bry·on·ic antigen (kär'sə-nō-ěm'brē-ŏn'ĭk) n.
Abbr. CEA A glycoprotein present in fetal gastrointestinal tissue and in the cells or serum of adults having certain types of cancers. It is used clinically to monitor the effectiveness of a treatment, as for colorectal cancer.
Main Entry: car·ci·no·em·bry·on·ic antigen Pronunciation: "kärs-&n-O-"em-brE-"än-ik- Function: noun : a glycoprotein present in fetal gut tissues during the first two trimesters of pregnancy and in peripheral blood of patients with some forms of cancer (as of the digestive system or thebreast) —abbreviation CEA
carcinoembryonic antigen car·ci·no·em·bry·on·ic antigen (kär'sə-nō-ěm'brē-ŏn'ĭk) n. Abbr. CEA A glycoprotein present in fetal gastrointestinal tissue, generally absent from adult cells with the exception of some carcinomas.