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(Click for frequent words.) 75 scanning electron micrograph 71 electron micrograph 69 micrograph 67 Scanning electron microscopy 66 Scanning electron microscope 66 micrographs 66 transmission electron micrograph 65 Electron microscopy 64 Electron microscope 63 electron micrographs 63 hematoxylin eosin original 63 Scanning electron micrograph 62 photomicrographs 62 scanning electron microscopy SEM 62 hematoxylin eosin 62 Microscopic examination 61 biopsy specimen 60 undated handout illustration 60 Figure 1C 60 Schematic diagram 60 Figure 1A 60 Histopathologic examination 60 histopathologic examination 60 holotype 60 Sagittal 60 Confocal microscopy 60 electron microscopic 59 scanning electron micrographs 59 histological examination 59 Polarized Light 59 punctate 59 hematoxylin 59 fluorescent microscope 59 magnification x# [002] 58 cystic mass 58 Confocal 58 Histopathologic 58 HRTEM 58 ultrastructure 58 limbal 58 photochemically 58 optical coherence 58 confocal laser scanning 57 collagenous 57 fluorescein 57 scanning electron 57 absorption spectra 57 Doppler ultrasonography 57 Figure 1D 57 Streptococcus agalactiae 57 Histologic 57 fluorescently tagged 57 histologic examination 57 zebrafish embryo 57 fluorescently labeled 57 green alga Chlamydomonas 57 fingerlike 57 #x magnification [002] 57 Figure 2C 57 diffraction pattern 57 electron tomography 57 striata 57 Propionibacterium acnes 56 hollow cylindrical 56 bioluminescent bacteria 56 lapse microscopy 56 Young modulus 56 X ray absorption spectroscopy 56 microphotography 56 osteolytic lesions 56 polygonal shapes 56 meshwork 56 immunohistochemical analysis 56 velocimetry 56 #Cu 56 bacterial flagella 56 bacterium Vibrio 56 Kenneth Libbrecht 56 agarose gel electrophoresis 56 Raman spectra 56 original magnification x# 56 computed tomographic scans 56 pathologic examination 56 multinucleated giant cells 56 lamellar 55 trimers 55 tubelike 55 diffraction patterns 55 scanning electron microscopy 55 Immunohistochemical 55 Histological examination 55 Microscopic 55 Computed tomographic 55 cell nuclei 55 biopsy specimens 55 hypoechoic 55 chlorosomes 55 fractal pattern 55 scanning microscopy 55 Ultrasonographic 55 microscopic crystals 55 enolase 55 threadlike 55 Fig. 2B 55 #x#cm [001] 55 X ray diffraction pattern 55 nanoribbon 55 lacrimal gland 55 luminal surface 55 x ray diffraction 55 microcrystals 55 alpha hemolysin 55 nanosized particles 55 paraffin embedded tissue 55 Radiocarbon 55 phospholipid membranes 55 fossilized pollen 55 sepal 55 Color Doppler 55 comma shaped 55 mammalian fatty acid 55 photothermal 55 Schematic representation 55 condyle 54 scanning electron microscope SEM 54 computerized tomographic 54 flow cytometric 54 myxoma 54 seminal vesicles 54 proteomic analysis 54 ropelike 54 mucosal tissue 54 microcapsule 54 lumbar intervertebral 54 Deinococcus 54 C. elegans worm 54 polystyrene beads 54 green alga 54 dimensional reconstructions 54 Morphology 54 vitreous humor 54 protein GFP 54 proteinaceous 54 powder diffraction 54 Oropharyngeal 54 Cryo EM 54 cryo EM 54 rhombic 54 angstrom resolution 54 striated muscle 54 fossilized bone 54 transcriptome sequencing 54 digitally imaged 54 formalin fixed 54 cryo electron microscopy 54 birefringence 54 hamartoma 54 Transmission Electron Microscopy 54 adventitia 54 situ hybridisation 54 viral capsid 54 microcavity 54 refracts light 54 spinal cysts 54 velum 54 optically transparent 54 thermophilum 54 photon microscope 54 multiplanar 54 radula 54 Robotic Arm Camera 54 dinoflagellate 54 icosahedral 54 lithographically patterned 54 silica spheres 54 purplish brown 54 Transcriptome 54 microfabricated 53 argon laser 53 agarose 53 lucidum 53 collagen fibrils 53 choroid plexus 53 flow cytometric analysis 53 silica nanoparticles 53 ultrastructural 53 photon laser 53 Veil Nebula 53 photoconductive 53 female gametophyte 53 Focused Ion Beam 53 calcifying nanoparticles 53 Dicer enzyme 53 beamline #.#.# 53 Fig.1 53 peritoneal fluid 53 ESO PR 53 magnesium ion 53 bleb 53 coated nanoparticles 53 qdots 53 fluorescence microscope 53 Doppler imaging 53 Cees Dekker 53 pentacene molecule 53 fluorescent nanoparticles 53 radiograph 53 echogenic 53 Leeuwenhoek 53 honeycomb pattern 53 single celled algae 53 Immunofluorescence 53 cartonnage 53 backscattered 53 journal Bioinspiration 53 force microscopy AFM 53 murine model 53 cultured rat 53 Situ Hybridization 53 isolated perfused 53 Enterobacter cloacae 53 Nanomechanical 53 microelectrode 53 cecal 53 submicrometer 53 Staphylococcus epidermidis 53 hairlike 53 perinuclear 53 condyles 53 planetary nebulas 53 membranous 53 Magnetic resonance 53 Fig. 1a 53 N. benthamiana 53 cloacal 53 spectroscopic imaging 53 acyclic 53 circular dichroism 53 nanowire transistors 53 ellipsoidal 53 spider silk proteins 53 CD# expression [001] 53 Transmission electron microscopy 53 retinal nerve 53 nanohorns 53 microlens 52 Histologically 52 calcium hydroxyapatite 52 spheroidal 52 thermal diffusivity 52 filamentary 52 retinal pigment epithelial cells 52 fluorescent microscopy 52 Histological 52 Culturing 52 ciliated 52 pinhead sized 52 collinear 52 hyperbolic geometry 52 synchrotron X ray 52 T. rubrum 52 spectroscopic analysis 52 tubule 52 magnetite crystals 52 neutron diffraction 52 chloroplast genome 52 aequorin 52 dichroic 52 micromachine 52 dentate 52 Inactivation 52 fluorescein angiography 52 Phylogenetic analysis 52 Spectroscopic 52 Wellcome Images 52 dinosaur skulls 52 SWNT 52 Computed tomography 52 cytidine 52 Advanced Functional Materials 52 bilaterally symmetrical 52 Chlamydomonas reinhardtii 52 epidermal cells 52 amniotic membrane 52 confocal microscope 52 biomineralization 52 lamina 52 Aspergillus nidulans 52 Crystallographic 52 schematic diagram 52 microvessel 52 hyperechoic 52 streptavidin 52 gp# protein [002] 52 striation 52 absorption spectroscopy 52 x ray diffraction microscopy 52 Corynebacterium 52 Phylogenetic 52 mammillary 52 immunoblot 52 macromolecule 52 chromatogram 52 chiton 52 cementum 52 PCR primer 52 ectodomain 52 Embedded MATLAB 52 nanopatterned 52 comparative genomic hybridization CGH 52 confocal scanning 52 laser irradiation 52 subretinal 52 papillae 52 opaline 52 pinwheel shaped 52 Endothelial 52 vaginal smears 52 trabeculae 52 micrometres thick 52 carboxy terminal 52 fluoresced 52 multiwalled carbon nanotubes 52 calcite crystals 52 circularly polarized 52 YBCO 52 PAP# 52 fluorescent staining 52 polyhedron 52 micrometers millionths 52 evolutionary relatedness 52 microstructured 52 metastatic lesion 52 scanning electron microscopes 52 electrospun 52 polyhedral 52 computerized tomography scan 52 Pigmented 52 donor acceptor 52 TiO2 nanoparticles 52 radiopaque 52 fluorescent dye molecules 52 zinc sulfide 52 convex lens 52 dissecting microscope 52 Image Caption 52 concretions 52 emission spectroscopy 52 europaea 52 resilin 52 Borrelia burgdorferi 52 immunofluorescence 52 Prof Geim 52 coiled coil 52 amorphous silica 52 #S rDNA 51 periosteum 51 electrospray mass spectrometry 51 directed mutagenesis 51 metamaterial structures 51 X ray crystallographic 51 crinoid 51 pylori 51 Photosystem 51 myxoid 51 cylindrical shaped 51 graphene membranes 51 immunoblotting 51 Activator CK # 51 hyphae 51 optical sectioning 51 Figure 1a 51 MWCNTs 51 ChIP seq 51 olivine crystals 51 Anchiornis 51 Insets 51 tubercles 51 Extracellular 51 microcavities 51 Morphological 51 subwavelength 51 vacuolar 51 anatomical structures 51 dorsal root 51 photogram 51 anatomical landmarks 51 silicon nanowire 51 induced fluorescence 51 morphometric analysis 51 papule 51 transmission electron microscopy 51 T2 weighted MRI 51 lamellae 51 nanofabricated 51 nidus 51 Immunohistochemical analysis 51 Sulfolobus 51 Spectrometry 51 Sciencexpress 51 spectroscope 51 spectroscopically 51 colloidal crystals 51 morphometric 51 metazoans 51 mesenchyme 51 Figure 4a 51 Schlemm canal 51 Scanning electron 51 fluorescent molecule 51 chromo 51 longus tendon 51 Photorhabdus 51 parylene 51 olfactory receptor 51 micrometer scale 51 maxilla 51 DNA helix 51 X ray computed tomography 51 nucleases 51 albumen 51 birefringent 51 X ray microscopy 51 RT PCR assay 51 macroscopically 51 tubercle 51 hexagonal shapes 51 lysates 51 cellularity 51 peptoid 51 chromatograms 51 nasal epithelium 51 Trichophyton 51 subgingival 51 cells overexpressing 51 planaria 51 nanosized 51 hemolymph 51 conodonts 51 magnetic excitations 51 calcium oxalate crystals 51 anatomical drawings 51 expanded polytetrafluoroethylene 51 hexagonal pattern 51 endorectal coil 51 #S subunit 51 FILE Undated file 51 coverslip 51 transferrin receptor 51 Fig. 4a 51 Photoacoustic 51 Semiconducting 51 fruitfly Drosophila 51 diffraction grating 51 microdissection 51 undated handout image 51 pore diameters 51 chromogenic prints 51 tomographic images 51 bronchoalveolar lavage BAL 51 Sr Ca 51 silver nitrate 51 outer sheath 51 peptide fragments 51 Bug Nebula 51 isotopic ratios 51 graphite pencil 51 dermal papilla cells 51 Vunjak Novakovic 51 colocalization 51 lipid membrane 51 graphite whiskers 51 follicular fluid 51 Sojourner Rover 51 thermally activated 51 planktonic foraminifera 51 Reflectance 51 ZnO nanowires 51 subcellular structures 51 spirochete 51 hollow nanospheres 51 tiny roundworm 51 affinity purified 51 SWAN Repository 51 microcalcifications 51 subtilis 51 fluorescence quenching 51 intravital 51 trabecular bone 51 #S rRNA 50 diagram illustrates 50 Spiroplasma 50 alveolar epithelial cells 50 crystalline silicates 50 nanobubbles 50 circularly polarized light 50 mitochondrial genome sequence 50 optical coherence tomography OCT 50 S. pombe 50 agar plate 50 ephrin A1 50 bony ridges 50 physico chemical 50 RCMP handout photo 50 viscous fluid 50 widefield 50 cephalometric 50 Si substrate 50 mesoporous silica 50 linearly polarized 50 indium gallium arsenide InGaAs 50 elastic deformation 50 Tilt Shift 50 dodecahedron 50 immunofluorescent 50 lithographically 50 Cysteine 50 silicate crystals 50 Drosophila embryos 50 morphologies 50 cDNA library 50 Homology 50 Buckyball 50 topological defects 50 gadolinium enhanced 50 Western blotting 50 superior mesenteric artery 50 calculi 50 electron orbiting 50 rotifer 50 MQW 50 HO FILE 50 fibril 50 D. radiodurans 50 stromal tissue 50 parenchyma 50 translucently 50 chlorophyll molecules 50 Envisat Advanced Synthetic Aperture 50 nucleus pulposus 50 nano crystalline 50 echogenicity 50 stromal 50 pyroelectric 50 cancellous bone 50 nanorod 50 scanning tunneling microscopy 50 rover panoramic 50 nucleotide sequences 50 dubbed Dodo Goldilocks 50 fluorescence spectroscopy 50 laser scanning confocal 50 cell lysate 50 Morganucodon 50 morphological similarities 50 ginkgo leaf 50 scanning optical microscopy 50 mucous membrane lining 50 telomere DNA 50 histopathological 50 DEV DA TOMAR NEXT 50 coffinette 50 Adenoviral 50 optical waveguides 50 scanning electron microscope 50 Kirlian 50 dentine 50 eukaryotic cell 50 lacewing 50 SWCNT 50 X ray scattering 50 mycelia 50 X. laevis 50 Protein Expression 50 hemoglobins 50 anthrax bacterium 50 anatomic structures 50 dehiscence 50 ellipsoid 50 nanomesh 50 molar tooth 50 photochemistry 50 notochord 50 linen bandages 50 iridescent sheen 50 spermatic cord 50 transluscent 50 cyanotype 50 SD OCT 50 phi# 50 mitochondrial DNA mtDNA 50 hydrated silica 50 Agrobacterium tumefaciens 50 oligomeric 50 Staudinger ligation 50 Trichophyton rubrum 50 ViroChip 50 Bioinspiration 50 dichromate 50 convex surfaces 50 fluoresces 50 F actin 50 trichomes 50 hydrogel polymer 50 capsulotomy 50 reaction PCR 50 chlorophyll fluorescence 50 photochemical processes 50 Plasmid DNA 50 x 3cm 50 nematode worm Caenorhabditis elegans 50 bacteria Escherichia coli 50 confocal microscopy 50 tetrahedron 50 granuloma 50 Wilhelm Rontgen 50 P. boisei 50 Thermal Emission 50 nanobelts 50 Transmission Electron Microscope 50 Schematic illustration 50 hollow cylinders 50 cryoprobe 50 nucleosome positioning 50 scanning tunneling microscopy STM 50 ciliates 50 ankyrin repeats 50 Fullerenes 50 mouse mammary 50 immunostaining 50 Trifid Nebula 50 Energy Dispersive X ray 50 villous 50 Denisova cave 50 cryoelectron microscopy 50 bioinformatic analysis 50 intima 50 Immunohistochemical staining 50 nematode worm 50 carbonaceous meteorites 50 synaptotagmin 50 spectral imaging 50 Nature DOI #.#/nature# 50 femora 50 photoacoustic 50 Nanobacteria 50 toroid 50 unicellular algae 50 branching morphogenesis 50 oligonucleotide microarray 50 scalloped edges 50 post perovskite 50 photolithographic 50 pigment granules 50 HiRISE image 50 gelsolin 50 semiconducting properties 50 stylus profilers 50 Ultrasonography 50 intramolecular 50 tumorigenicity 50 tissue biopsies 50 atomic lattice 50 versicolor 50 Erythema 50 ZnSe 50 periosteal 50 nanoprobe 50 lotus leaves 50 filamentous 50 OMS pods 50 Lophelia II 49 resected tissue 49 ultrahigh resolution 49 needlelike 49 titania nanotubes 49 sundog 49 PrPSc 49 exostosis 49 previously undescribed 49 near infrared fluorescence 49 lipid membranes 49 flatworm 49 Fig. 3a 49 diffraction gratings 49 radiolucent 49 Envisat Medium Resolution 49 atomically smooth 49 #S rRNA gene 49 rootlets 49 spatially resolved 49 fanlike 49 siRNA knockdown 49 Sequenced 49 fission yeast 49 monolayer 49 MALDI MS 49 hydroxyapatite crystals 49 Descemet membrane 49 tetrahedral 49 chitons 49 neo dada 49 fig. S2 49 Fig.2 49 biocompatible biodegradable 49 sandcastle worm 49 pigmented wax 49 μm diameter 49 Fig. 1A 49 bioluminescence imaging 49 nanoprobes 49 octahedron 49 axilla 49 Joris Dik 49 protuberances 49 fluorescing 49 absorbs photons 49 Horsehead Nebula 49 anatomical illustrations 49 helium atom 49 blubber samples 49 miRNA expression 49 titin 49 volcanic basalt 49 STF FILE 49 Ichthyostega 49 nanodroplets 49 oblongs 49 MALDI TOF MS 49 pleural fluid 49 moss lichens 49 encrustation 49 spicule 49 helically 49 metazoan 49 armillary sphere 49 Xenopus laevis 49 tholins 49 anaerobic bacterium 49 Supplementary Methods 49 inkjet prints 49 graphene sheet 49 haemagglutinin 49 Cavity Ring Down 49 Associated PressThis 49 acoustic impedance 49 brittle deformation 49 coronal 49 concentric layers 49 messenger RNA molecules 49 Hi res 49 aragonite 49 microdroplets 49 MGS Mars Orbiter Camera 49 iliac crest 49 Gamma Imaging BSGI 49 ultrasonic vibrations 49 spinous process 49 waviness 49 x ray tomography 49 Ultra violet 49 variable thicknesses 49 periprosthetic 49 superposed 49 protein electrophoresis 49 prion infected 49 insertional 49 fluorescent molecules 49 Candor Chasma 49 reddish orange hue 49 light refracting 49 Moderate Resolution Imaging 49 lacelike 49 Dirac fermions 49 neutron scattering experiments 49 Scanning Electron Microscopy 49 abnormal prion protein 49 Osedax 49 λ 49 frequency combs 49 Nanoprobe 49 ultraviolet lamp 49 photoacoustic imaging 49 tunica vaginalis 49 postnatal foreskin fibroblasts 49 spectral Doppler 49 magnetic monopole 49 surface plasmon polariton 49 coral skeletons 49 Monoclonal 49 NASA JPL Caltech 49 etchings woodcuts 49 polymerizes 49 echogenic foci 49 Selective Cardiac Myosin 49 ab initio calculations 49 nanostructural 49 calyx 49 hollow cavity 49 mineral apatite 49 HONS 49 polymersomes 49 cotyledon 49 microbial mats 49 quasicrystal 49 wormlike 49 pigment particles 49 Mammalian 49 micrometer sized 49 Positron emission tomography PET 49 interventricular septum 49 transgenic mouse models 49 microscopic beads 49 ribosomal RNA rRNA 49 Guanlong wucaii 49 Fourier transform infrared spectroscopy 49 chine colle 49 embryoid bodies 49 FFPE tissues 49 inserted subcutaneously 49 avascular 49 kinome 49 cryptochromes 49 mottle 49 Enterobacter 49 pancreatic tissue 49 schistosome 49 nanomagnetic 49 ultrasound transducer 49 Shewanella oneidensis 49 tardigrades 49 barbels 49 onionskin 49 tetragonal 49 chick embryo 49 transgenic mice expressing 49 FEN1 49 diffractive optics 49 sequins beads 49 phosphor coated 49 Daphnia pulex 49 dimensional nanostructures 49 scanning tunneling microscope STM 49 Flow cytometry 49 agglutination 49 hexamers 49 cDNA clones 49 extracellular domains 49 SELDI TOF MS 49 scientific journal PNAS 49 manganese atoms 49 semitransparent 49 darkly stained 49 translucent acrylic 49 mesoporous 49 photograms 49 charcoal sketch 49 nanometric scale 49 bacterial genomes 49 Nanoscopic 49 Scanning Electron Microscope 49 Niepce 49 laminae 49 gigantea 49 assay detects 49 TUNEL 49 GigaGalaxy Zoom 49 Oliver Rauhut 49 supercooling 49 chambered nautilus 49 resin impregnated 49 ipRGCs 48 prostate epithelial cells 48 immunoreactivity 48 surface plasmon resonance 48 cellTRAY 48 microscopic 48 ultraviolet imaging spectrograph 48 pentacene 48 ultraviolet lasers 48 Hair follicles 48 nautilus shells 48 spectroscopic measurements 48 thaliana 48 Pollen grains 48 osteochondroma 48 microtomography 48 particle image velocimetry 48 Single Nucleotide Polymorphisms SNPs 48 capillary tubes 48 papillary carcinoma 48 photopolymer 48 Pancam 48 laser microdissection 48 chondritic meteorites 48 magnetic particle 48 micrometre 48 suprarenal 48 jellylike 48 primordia 48 electron irradiation 48 undersurface 48 conjugated polymer 48 Fig. 3b 48 microcantilever 48 GeoEye Satellite 48 x ray beam 48 nanopillars 48 frequency comb 48 jawless 48 capsids 48 scanning tunneling 48 serotonin transporters 48 NASA ESA Hubble 48 x ray computed tomography 48 Eduardo Kac 48 martian meteorites 48 bronchoalveolar 48 John B. Carnett 48 Escherichia coli bacteria 48 bitonal 48 polypeptide chain 48 3D lenticular 48 fungal hyphae 48 magnetic bead 48 brachiopod 48 integument 48 fallopian 48 photonic crystal 48 bucky balls 48 FFPE tissue samples 48 subcellular localization 48 paramagnetic 48 brightfield 48 photon microscopy 48 calcium fluoride 48 zebrafish larvae 48 microfluidic chip 48 multi walled nanotubes 48 bdelloid rotifers 48 transthyretin 48 attenuation correction 48 meristem 48 gill slits 48 filamentary structures 48 albumen print 48 non destructively 48 crystallographic 48 microinjection 48 nanomagnets 48 spheroids 48 filamentous fungi 48 interferogram 48 RNA polymerases 48 Yellowed 48 More BBSNews 48 periodicities 48 magnetic tweezers 48 vibrational modes 48 homologies 48 dragonfly wings 48 recessive mutation 48 Vertebrates 48 jellylike substance 48 flexor tendons 48 dI dV 48 Pathological Anatomy 48 proteins secreted 48 microstructural 48 cometary material 48 disulphide 48 Mycoplasma genitalium 48 Supplementary Fig 48 Anomalocaris 48 mesenchymal stem cells MSCs 48 spongiform 48 staghorn 48 Thymus 48 morphometrics 48 strawberry birthmark 48 nanometers billionths 48 Sinosauropteryx 48 Photonic crystal 48 situ hybridization 48 endometrial lining 48 Fourier transforms 48 fungal genomes 48 oxidized lipids 48 florbetaben 48 scintillator 48 iridescent colors 48 PCR RFLP 48 chondritic 48 photoluminescence 48 X ray fluorescence 48 gene amplification 48 volvulus 48 intracellular bacteria 48 geometrically patterned