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Figure 1 | Respiratory Research

Figure 1

From: Role of epithelial mesenchymal transition (EMT) in chronic obstructive pulmonary disease (COPD)

Figure 1

Airway tissue stained for type-IV collagen to highlight blood vessels. (A) Small airway section, black arrows indicating vessels in the lamina propria with no vessels in the Rbm or epithelium, typical of EMT Type-2; (B) bronchial biopsy section from a matched large airway, with black arrows indicating vessels with in Rbm and also penetrating into the epithelium, typical of EMT Type-3.

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