![](/upload/media/research/HistoMAX/MSVA/Cytokeratin 18/normal/GTX04374_normal_29.webp) |
Kidney, pelvis, urothelium - The urothelium shows the strongest Cytokeratin 18 staining in umbrella cells. Staining intensity decreases gradually from the top to the bottom layers of the urothelium. |
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![](/upload/media/research/HistoMAX/MSVA/Cytokeratin 18/normal/GTX04374_normal_30.webp) |
Liver - Liver tissue shows a zonal variability of Cytokeratin 18 expression in hepatocytes ranging from weak to strongly positive while bile ducts are always strongly positive. |
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![](/upload/media/research/HistoMAX/MSVA/Cytokeratin 18/normal/GTX04374_normal_31.webp) |
Liver - Not all hepatocytes stain positive for Cytokeratin 18 (zonal distribution). |
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![](/upload/media/research/HistoMAX/MSVA/Cytokeratin 18/normal/GTX04374_normal_32.webp) |
Lung |
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