Basic Microscopy - Papanicolaou stain

Routine Microscopy

Staining Methods

Papanicolaou (PAP) stain

Cytological staining helps to identify e.g. infection, inflammatory diseases, and cancer. One of the most used methods is the Papanicolaou (Pap) stain. Pap is a modified HE stain, imparting a characteristic color to nuclei and cytoplasmic components.


A Quick Guide to Cytological Staining