Figure 4. Alveolar wall capillary duplication.
Representative example of significant capillary duplication (arrow) as compared to a normal capillary in an alveolar wall (arrowhead); (reticulin stain, original magnification 200×).
Representative example of significant capillary duplication (arrow) as compared to a normal capillary in an alveolar wall (arrowhead); (reticulin stain, original magnification 200×).