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. 2013 Oct 4;8(10):e74887. doi: 10.1371/journal.pone.0074887

Figure 6. Microstructure of four rare gallbladder stone types.

Figure 6

A, B. Phosphate stone (original magnification ×6000). A. Echin-sphere phosphate particles. B. Rough bulbiform phosphate particles. C,D. Calcium stearate stone (original magnification ×6000). C. Calcium stearate presented as network structure. D. Calcium stearate presented as staggered arranged network, protein stone (original magnification×6000). E. Coralliform protein and bilirubinate complex. F. Chrysanthemum petal-like protein and bilirubinate complex. G, H. Cystine stone. G. Stacked hexagonal crystals, some with prominent edges (original magnification ×400). H. The prominent edges appeared lamellar after magnification (original magnification ×6000).