Embryoma is a mass of rapidly growing cells believed to originate in embryonic (fetal) tissue.
Embryomas have been defined as: "Adult neoplasms expressing one or more embryo-exclusive genes.
[2] It is not a precise term, and it is not commonly used in modern medical literature.
Embryomas have been defined as: "Adult neoplasms expressing one or more embryo-exclusive genes".
[citation needed] This article incorporates public domain material from Dictionary of Cancer Terms.