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. 2012 Jul 24;7(7):e41126. doi: 10.1371/journal.pone.0041126

Figure 4. Morphological changes in lymphatic vessel endothelial cells.

Figure 4

Scanning electron microscopy (SEM) findings. (a) Lymphatic vessel endothelial cells protruding into the lymphatic lumen in the normal type. Bar = 10 µm. (b) Lymphangiectasia at its early stages. The lymphatic vessel endothelial cells are slightly flattened. Bar = 5 µm. (c) Medium-stage lymphangiectasia. The lymphatic vessel endothelial cells are markedly flattened. Bar = 10 µm. Lu; Lumen, EC; endothelium cells, sSM; synthetic smooth muscle cells, cSM; contractile smooth muscle cells, CF; collagen fibers.