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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Agregado formador de masa

Bulk-forming agent (FOR-ming AY-jent)
A substance, such as fiber in food, that adds bulk and water to stools so that they can pass more easily through the intestines (lower part of the digestive tract).

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.