Percentage of altered mitochondria in nerve cell somata = $\frac{\left(\sum \phantom{\rule{0.5em}{0ex}}\mathit{area}\phantom{\rule{0.3em}{0ex}}\mathit{of}\phantom{\rule{0.3em}{0ex}}\mathit{altered}\phantom{\rule{0.3em}{0ex}}\mathit{mitochondria}\phantom{\rule{0.3em}{0ex}}\mathit{within}\phantom{\rule{0.3em}{0ex}}\mathit{nerve}\phantom{\rule{0.3em}{0ex}}\mathit{cell}\phantom{\rule{0.3em}{0ex}}\mathit{somata}\right)}{\sum \phantom{\rule{0.5em}{0ex}}\mathit{area}\phantom{\rule{0.3em}{0ex}}\mathit{of}\phantom{\rule{0.3em}{0ex}}\mathit{all}\phantom{\rule{0.3em}{0ex}}\mathit{mitochondria}\phantom{\rule{0.3em}{0ex}}\mathit{within}\phantom{\rule{0.3em}{0ex}}\mathit{nerve}\phantom{\rule{0.3em}{0ex}}\mathit{cell}\phantom{\rule{0.3em}{0ex}}\mathit{somata}}×100$ Percentage of altered mitochondria in neurites (axons and dendrites) = $\frac{\left(\sum \phantom{\rule{0.5em}{0ex}}\mathit{area}\phantom{\rule{0.3em}{0ex}}\mathit{of}\phantom{\rule{0.3em}{0ex}}\mathit{altered}\phantom{\rule{0.3em}{0ex}}\mathit{mitochondria}\phantom{\rule{0.3em}{0ex}}\mathit{within}\phantom{\rule{0.3em}{0ex}}\mathit{neurites}\right)×100}{\sum \phantom{\rule{0.5em}{0ex}}\mathit{area}\phantom{\rule{0.3em}{0ex}}\mathit{of}\phantom{\rule{0.3em}{0ex}}\mathit{all}\phantom{\rule{0.3em}{0ex}}\mathit{mitochondria}\phantom{\rule{0.3em}{0ex}}\mathit{within}\phantom{\rule{0.3em}{0ex}}\mathit{neurites}}$ Mitochondrial volume density in the nerve cell somata = $\frac{\left(\sum \phantom{\rule{0.5em}{0ex}}\mathit{area}\phantom{\rule{0.3em}{0ex}}\mathit{of}\phantom{\rule{0.3em}{0ex}}\mathit{all}\phantom{\rule{0.3em}{0ex}}\mathit{mitochondria}\phantom{\rule{0.3em}{0ex}}\mathit{within}\phantom{\rule{0.3em}{0ex}}\mathit{nerve}\phantom{\rule{0.3em}{0ex}}\mathit{cell}\phantom{\rule{0.3em}{0ex}}\mathit{somata}\right)×100}{\sum \phantom{\rule{0.5em}{0ex}}\mathit{area}\phantom{\rule{0.3em}{0ex}}\mathit{of}\phantom{\rule{0.3em}{0ex}}\mathit{nerve}\phantom{\rule{0.3em}{0ex}}\mathit{cell}\phantom{\rule{0.3em}{0ex}}\mathit{somata}}$ Mitochondrial volume density in neurites = $\frac{\left(\sum \phantom{\rule{0.5em}{0ex}}\mathit{area}\phantom{\rule{0.3em}{0ex}}\mathit{of}\phantom{\rule{0.3em}{0ex}}\mathit{all}\phantom{\rule{0.3em}{0ex}}\mathit{mitochondria}\phantom{\rule{0.3em}{0ex}}\mathit{within}\phantom{\rule{0.3em}{0ex}}\mathit{neurites}\right)×100}{\sum \phantom{\rule{0.5em}{0ex}}\mathit{area}\phantom{\rule{0.3em}{0ex}}\mathit{of}\phantom{\rule{0.3em}{0ex}}\mathit{neurites}}$ Volume density of altered mitochondria in the nerve cell somata = $\frac{\left(\sum \phantom{\rule{0.5em}{0ex}}\mathit{area}\phantom{\rule{0.3em}{0ex}}\mathit{of}\phantom{\rule{0.3em}{0ex}}\mathit{altered}\phantom{\rule{0.3em}{0ex}}\mathit{mitochondria}\phantom{\rule{0.3em}{0ex}}\mathit{within}\phantom{\rule{0.3em}{0ex}}\mathit{nerve}\phantom{\rule{0.3em}{0ex}}\mathit{cell}\phantom{\rule{0.3em}{0ex}}\mathit{somata}\right)×100}{\sum \phantom{\rule{0.5em}{0ex}}\mathit{area}\phantom{\rule{0.3em}{0ex}}\mathit{of}\phantom{\rule{0.3em}{0ex}}\mathit{nerve}\phantom{\rule{0.3em}{0ex}}\mathit{cell}\phantom{\rule{0.3em}{0ex}}\mathit{somata}}$ Volume density of altered mitochondria in neurites = $\frac{\left(\sum \phantom{\rule{0.5em}{0ex}}\mathit{area}\phantom{\rule{0.3em}{0ex}}\mathit{of}\phantom{\rule{0.3em}{0ex}}\mathit{altered}\phantom{\rule{0.3em}{0ex}}\mathit{mitchondria}\phantom{\rule{0.3em}{0ex}}\mathit{within}\phantom{\rule{0.3em}{0ex}}\mathit{neurites}\right)×100}{\sum \phantom{\rule{0.5em}{0ex}}\mathit{area}\phantom{\rule{0.3em}{0ex}}\mathit{of}\phantom{\rule{0.3em}{0ex}}\mathit{neurites}}$