<p>Kidney stone, coloured scanning electron micrograph (SEM). Kidney stones are primarily formed by crystallization of the mineral salt calcium oxalate from the urine. They are irregular shaped stones called calculi (calculus) and are composed of random oriented columnar monoclinic crystals of calcium oxalate monohydrate (seen here) with peripheral deposits of fine octahedral crystals of calcium oxalate dehydrate. Patches of microcrystalline hydroxyl apatite fill internodal regions. Protein matrices can also be associated with the microcrystalline arrays. The hard stones can cause severe pain as they pass down the ureter (urinary tract). Kidney stones may need to be removed surgically using ultrasound. Magnification: x600 when shortest axis printed at 25 millimetres.</p>
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<p>Our giclée canvas art prints are produced with high quality, UV-resistant, environmentally-friendly, latex inks and artist grade, polycotton canvas. We pride ourselves on color accuracy and image clarity to ensure your new canvas wall art lasts for years to come.</p>
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