Definition of "tumorigenesis" [tumorigenesis]

• Formation or production 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.

• "These observations suggest that there may be a requirement for polyunsaturated fat in mammary tumorigenesis, which is not satisfied by fats such as coconut oil or beef tallow, but can be provided by adding 3% sunflower seed oil to diets containing these fats."
• "Title: Maternal B vitamin supplementation from preconception through weaning suppresses intestinal tumorigenesis in Apc 1638N mouse offspring"
• "It is possible now to produce a stem cell from almost any other human cell instead of using embryos as needed previously, albeit the risk of tumorigenesis due to c-myc and retroviral gene transfer remains to be determined."