Mesothelioma - Glossary
Click a letter below to reach the associated area of the Glossary.
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Oncogenesis
- The beginnings of cancer; the process whereby cells change and malignancy develops.
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Oncologist
- A medical professional specializing in the treatment, diagnosis and study of cancer.
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Oncology
- The study of cancer.
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Onset
- The first sign of disease.
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Opioids
- A medication used to relieve severe pain, including fentanyl, methadone and endorphin.
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OSHA
- Occupational Safety and Health Administration; the U.S. agency that regulates the use of hazardous chemicals like asbestos.
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Oxygen
- An atmospheric gas essential to life on Earth. Oxygen comprises about 20 percent of the air we inhale.






