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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Potasio

Potassium (po-TASS-ee-um)
A metallic element that is important in body functions such as regulation of blood pressure and of water content in cells, transmission of nerve impulses, digestion, muscle contraction, and heartbeat.



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