Fluorescence microscope image of a cryostat section of mouse tongue epithelium immuno-stained for all taste bud cells (red) type II taste bud cells (green)and counter-stained for DNA (blue). The imag...

Light micrograph, alcian blue PAS staining of gastric mucosa from N 18 month old gastrick H,K,ATPase null mouse, 100 x

Light micrograph, toluidine blue staining.

Light micrograph, toluidine blue staining

Light micrograph, toluidine blue staining

Light micrograph, toluidine blue staining

Light micrograph, toluidine blue staining

Light micrograph, toluidine blue staining

Light micrograph, toluidine blue staining

Peroxisomes in cultured rat hepatocytes have proliferated under treatment with 4-phenylbutyrate. The animal was transgenic for PPARalpha -/-, so phenyl butyrate acts without the PPAR receptor.