
Mitochondria
Active cells have abundant mitochondria. In this toluidine blue-stained section of liver, mitochondria appear as small dots or irregular shapes that are just barely visible with the light microscope. 1000x

Cell outlines
Active cells have abundant mitochondria. In this toluidine blue-stained section of liver, mitochondria appear as small dots or irregular shapes that are just barely visible with the light microscope. 1000x

- Mitochondria
Active cells have abundant mitochondria. In this toluidine blue-stained section of liver, mitochondria appear as small dots or irregular shapes that are just barely visible with the light microscope. 1000x

- Nuclei
Active cells have abundant mitochondria. In this toluidine blue-stained section of liver, mitochondria appear as small dots or irregular shapes that are just barely visible with the light microscope. 1000x

-- Nucleoli
Active cells have abundant mitochondria. In this toluidine blue-stained section of liver, mitochondria appear as small dots or irregular shapes that are just barely visible with the light microscope. 1000x

- Plasma membranes
Active cells have abundant mitochondria. In this toluidine blue-stained section of liver, mitochondria appear as small dots or irregular shapes that are just barely visible with the light microscope. 1000x