Special stains (histochemical methods) are used to help visualize and/or identify structures and substances in sections. CPL can provide most standard special stains. Listed below are a few examples.
![Acid fast stains (various methods) for mycobacteria](/research/home/images/CPL/CPL-Histopathology/AF_M_avium-v1.jpg)
Acid fast stains (various methods) for mycobacteria
![Congo red for amyloid](/research/home/images/CPL/CPL-Histopathology/islet_amyloid_20x.jpg)
Congo red for amyloid
![Gram stains (various methods) for bacteria](/research/home/images/CPL/CPL-Histopathology/Gram_Twort_Cbovis.jpg)
Gram stains (various methods) for bacteria
![Grocott’s methenamine silver (GMS) for fungi](/research/home/images/CPL/CPL-Histopathology/GMS_Pneumocystis_Rag.jpg)
Grocott’s methenamine silver (GMS) for fungi
![Jones methenamine silver for basement membrane and mesangium](/research/home/images/CPL/CPL-Histopathology/Jones_MRL.jpg)
Jones methenamine silver for basement membrane and mesangium
![Luxol fast blue-PAS for demyelination](/research/home/images/CPL/CPL-Histopathology/LFB-PAS_EAE_20x.jpg)
Luxol fast blue-PAS for demyelination
![Masson’s trichrome for collagen & muscle](/research/home/images/CPL/CPL-Histopathology/Massons_renal_art_MRL_20x.jpg)
Masson’s trichrome for collagen & muscle
![Periodic acid-Schiff (PAS)](/research/home/images/CPL/CPL-Histopathology/PASH_lung.jpg)
Periodic acid-Schiff (PAS)
![Phosphotungstic acid-hematoxylin (PTAH) for fibrin](/research/home/images/CPL/CPL-Histopathology/PTAH.jpg)
Phosphotungstic acid-hematoxylin (PTAH) for fibrin
![Prussian blue for ferric iron](/research/home/images/CPL/CPL-Histopathology/Pr_blue_spleen_20x.jpg)
Prussian blue for ferric iron
![Sudan black for lipids & lipochrome pigments](/research/home/images/CPL/CPL-Histopathology/Sudan_blk_lipochrom_heart.jpg)
Sudan black for lipids & lipochrome pigments
![Verhoeff's method for elastin](/research/home/images/CPL/CPL-Histopathology/Elastin_renal_art_MRL_20x.jpg)
Verhoeff's method for elastin
![Warthin-Starry method for bacteria](/research/home/images/CPL/CPL-Histopathology/WS_liver_Hh.jpg)