Definition of "fetoprotein" [fetoprotein]

• Any of several antigens normally present in a fetus and occurring abnormally in adults as a result of certain neoplastic conditions or diseases of the liver. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "These proteins include recombinant forms of human coagulation factors VIIa and IX, which are being developed for the treatment of patients with hemophilia, and recombinant alpha-fetoprotein, which is being developed for the treatment of Myasthenia Gravis and Multiple Sclerosis."
• "Increased amniotic fluid alpha-fetoprotein in patients with fetal nuchal edema."
• "Serial examination of serum alpha-fetoprotein (AFP) levels as an additional screen for hepatoblastoma at least everythree months until the age of 4-5 years."