Definition of "oncogenesis" [oncogenesis]

• The formation and development of tumors. (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.

• "High-level quality research projects supported by the INCa through the Cancéropôles networks should allow to better understand the molecular mechanisms involved in oncogenesis which is crucial to define new therapeutic targets and to develop innovative treatments for the benefit of all patients."
• "The other class, that of anti-oncogenes or tumor suppressors, is recessive in oncogenesis; cancer results when both normal copies have been mutated or deleted."
• "POK proteins are critical in embryonic development, cellular differentiation and oncogenesis, according to the National Cancer Institute."