Carcinoembryonic antigen
carcinoembryonic antigen
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.
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