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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Endorfina

Endorphin (en-DOR-fin)
One of several substances made in the body that can relieve pain and give a feeling of well-being. Endorphins are peptides (small proteins) that bind to opioid receptors in the central nervous system. An endorphin is a type of neurotransmitter.



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