Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Mesothelioma is a rare form of cancer that develops in the lining of certain organs, most commonly the lungs or abdomen. It is primarily caused by exposure to asbestos.
A group of naturally occurring minerals used in various industries for their heat resistance and durability. Prolonged exposure to asbestos fibers is the main cause of mesothelioma.
Carcinogen: Any substance or agent that has the potential to cause cancer. Asbestos is classified as a carcinogen.
Lining (in medical context): The thin layer of tissue that covers and protects certain organs. Mesothelioma specifically affects the lining of organs such as the lungs or abdomen.