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==Gallery of SEM images== The following are examples of images taken using an SEM. <gallery widths="160" heights="120"> File:Soybean cyst nematode and egg SEM.jpg|Colored SEM image of [[soybean cyst nematode]] and egg. The [[False color|artificial coloring]] makes the image easier for non-specialists to view and understand the structures and surfaces revealed in micrographs. File:Krilleyekils.jpg|[[Compound eye]] of [[Antarctic krill]] ''Euphausia superba''. Arthropod eyes are a common subject in SEM micrographs due to the depth of focus that an SEM image can capture. Colored picture. File:Antarctic krill ommatidia.jpg|[[Ommatidia]] of [[Antarctic krill]] eye, a higher magnification of the krill's eye. SEMs cover a range from light microscopy up to the magnifications available with a [[Transmission electron microscopy|TEM]]. Colored picture. File:SEM blood cells.jpg|SEM image of normal circulating human [[White blood cell|blood]]. This is an older and noisy micrograph of a common subject for SEM micrographs: red blood cells. File:HederelloidSEM.jpg|SEM image of a [[Hederellid|hederelloid]] from the [[Devonian]] of Michigan (largest tube diameter is 0.75 mm). The SEM is used extensively for capturing detailed images of micro and macro fossils. File:BSEGlassInclusionSb.jpg|Backscattered electron (BSE) image of an [[antimony]]-rich region in a fragment of ancient glass. Museums use SEMs for studying valuable artifacts in a nondestructive manner. File:SEGlassCorrosion.jpg|SEM image of the corrosion layer on the surface of an ancient glass fragment; note the laminar structure of the corrosion layer. File:Photoresist SEM micrograph.JPG|SEM image of a [[photoresist]] layer used in [[semiconductor]] manufacturing taken on a [[Field electron emission|field emission]] SEM. These SEMs are important in the semiconductor industry for their high-resolution capabilities. File:Surface of a kidney stone.jpg|SEM image of the surface of a [[kidney stone]] showing tetragonal crystals of [[Weddellite]] (calcium oxalate dihydrate) emerging from the amorphous central part of the stone. Horizontal length of the picture represents 0.5 mm of the figured original. File:LightLTSEM.jpg|Two images of the same [[depth hoar]] snow crystal, viewed through a light microscope (left) and as an SEM image (right). Note how the SEM image allows for clear perception of the fine structure details which are hard to fully make out in the light microscope image. File:Onion flake. Cells. SEM-BSE.jpg|Epidermal cells from the inner surface of an [[onion]] flake. Beneath the shagreen-like cell walls one can see nuclei and small organelles floating in the cytoplasm. This BSE-image of a lanthanoid-stained sample was taken without prior fixation, dehydration, or sputtering. File:SEM-stomata-UIowa.tif|SEM image of [[stoma]]ta on the lower surface of a leaf </gallery>
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