Definition of "pathogenesis" [path•o•gen•e•sis]

• The development of a diseased or morbid condition. (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.

• "JRP are presumed to be a non-inflammatory bowel condition, but the pathogenesis is unknown."
• "The main bad news in the study is the fact that a number of pharmaceutical companies will no longer be providing preferential pricing to middle-income countries like Brazil, China, India and Thailand, Nathan Ford, medical director at MSF's Campaign for Access to Affordable Medicines, said at the launch of the report at the sixth International AIDS Society conference on HIV pathogenesis, treatment and prevention in Rome."
• "Our department is actively engaged in basic and translational research to understand the pathogenesis of childhood disease and to institute novel methods for earlier and more precise diagnoses resulting in enhanced and tailored therapy."