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Plant Leaf Spongy Mesophyl

SEM (secondary electron) image of an ion beam milled cross-section through a cryogenically prepared petal from a tobacco plant flower. Note that it is not possible to achieve such precision using conventional fracturing techniques

Image obtaining using the Quorum Technologies PP2000T cryo preparation system attached to an FEI Quanta 3D 200 DualBeam, courtesy of FEI Company FIB Service Lab - United Kingdom (http://www.feilabservices.com/)