Carcinoembryonic antigen (CEA). Definition

Medical Definition: carcinoembryonic antigen (CEA)

Glycoprotein antigen which is the glycocalyx of embryonic endoderm, generally absent from adult cells. May appear in some tumor cells of the type of adenocarcinomas, in which case can be detected in serum of the patient, such as adenocarcinomas of the large bowel and breast.

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