![](/upload/media/research/HistoMAX/MSVA/Cytokeratin 19/normal/GTX04378_normal_13.webp) |
Colon descendens, muscular wall |
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![](/upload/media/research/HistoMAX/MSVA/Cytokeratin 19/normal/GTX04378_normal_14.webp) |
Duodenum, Brunner gland - A variable, usually weak cytokeratin 19 staining is seen in a fraction of cells in Brunner glands. |
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![](/upload/media/research/HistoMAX/MSVA/Cytokeratin 19/normal/GTX04378_normal_15.webp) |
Duodenum, mucosa - KRT 19 staining is stronger at the surface mucosa than in deeper located glandular cells. |
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![](/upload/media/research/HistoMAX/MSVA/Cytokeratin 19/normal/GTX04378_normal_16.webp) |
Ectocervix - In non-keratinizing squamous epithelium, the basal cells are Cytokeratin 19 positive while the remaining layers are usually negative. |
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