Facts About Mitochondrial Myopathies
Internet URL
http://www.mdausa.org/publications/mitochondrial_myopathies.html 
This document also available in Spanish
Sponsoring Agency
Muscular Dystrophy Association
Description
Just as some diseases are named for the part of the body they affect (like heart disease), mitochondrial diseases are so-named because they affect a specific part of the cells of which our bodies are made. Specifically, mitochondrial diseases affect the mitochondria — tiny energy factories found inside almost all our cells.