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Vue microscopique d'un grain de pollen

A high-magnification scanning electron microscope image of a textured, spherical pollen grain against a black background, featuring selective false-color highlights in pink, orange, and blue.

A scanning-electron-microscope style image of a pollen grain, monochrome with false colour Voir plus

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A high-magnification, false-colored scanning electron micrograph of a single spherical pollen grain with numerous spikes, rendered in electric blue and neon yellow against a solid black background.
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A scanning electron micrograph shows numerous spiky, mustard-yellow pollen grains scattered against a dark background, with one smooth, tricolpate grain positioned near the center.
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A scanning electron micrograph of a circular Coscinodiscus diatom featuring intricate glass lattice patterns and radial symmetry, rendered in iridescent teal and violet against a black background.
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A microscopic view of a single centric diatom, featuring a circular, glass-like valve with radiating ribs and a marginal ring of pores, captured using differential interference contrast microscopy on a neutral grey background.
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A high-contrast, false-color microscopic image of a single spherical pollen grain with numerous sharp, spiky protrusions, rendered in vibrant shades of orange and magenta against a solid black background.
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An aerial view looking straight down at a dense, circular flock of thousands of pink flamingos standing in the shallow, multi-colored waters of a lake, surrounded by swirling patterns of red and green algae.
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A top-down macro photograph of a green sea urchin test, showcasing its intricate radial symmetry, rows of tubercles, and central apical system against a neutral gray background.
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A microscopic view of squid skin showing vibrant ruby, amber, and brown chromatophores scattered across a translucent surface with iridescent blue cells.
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A circular, radial cluster of crystalline needles viewed under polarized light, displaying a spectrum of interference colors including teal, violet, and gold against a dark background.
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A high-resolution image of the Sun's disc showing multiple sunspot groups across both hemispheres, with visible limb darkening and bright faculae near the edges.
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A top-down view of a brain coral with intricate maze-like ridges and grooves, illuminated by sunlight filtering through shallow water.
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A detailed botanical watercolor illustration of a plant cell featuring a large central vacuole, a nucleus, chloroplasts, and other organelles within a rigid cell wall.
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A microscopic view of plant cells showing bright green chloroplasts within defined cell walls, illuminated against a dark background.
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A close-up macro photograph of a polished and etched iron meteorite slice displaying a distinct Widmanstätten pattern of intersecting metallic bands, set against a dark background with side lighting.
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A close-up, top-down view of a sunflower head showing dense, spiraling seeds with some gaps, illuminated by raking light that creates distinct shadows.
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A detailed hexagonal snowflake with concentric ridges and intricate corner structures, captured against a dark background with subtle light refraction.
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A macro close-up of a pale lime green, feathery insect antenna with delicate, comb-like sensory hairs against a solid black background.
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A watercolor illustration of an animal cell featuring a deep violet nucleus, coral-colored mitochondria, and various organelles rendered in wet-on-wet washes of lilac, teal, and coral on a textured paper background.
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A scanning electron micrograph of a single, spiny, spherical pollen grain resting on a smooth, dark surface with a scale bar in the bottom right corner.
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A stylized, high-contrast risograph print in fluorescent pink and teal depicting a biological cell undergoing anaphase, with two sets of chromosomes being pulled apart by spindle fibers.
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A microscopic view of various diatoms, including circular centric frustules and elongated needle-like shapes, glowing in white and pale blue against a solid black background.
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A circular view through a microscope lens displays a layered paper-cut art piece featuring various desmids, diatoms, and a green algal filament, all backlit to create a glowing, translucent effect.
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A circular diatom shell with intricate geometric patterns and a glass-like structure is displayed against a solid black background in a dark-field microscopy style with blue and white highlights.
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A microscopic view of plant cells featuring vibrant magenta cell walls and numerous glowing green chloroplasts.
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A high-contrast view of a sunspot group on the solar photosphere, showing dark umbral cores, filamentary penumbrae, and surrounding granulation with bright faculae near the limb.
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A circular piece of filter paper displays concentric rings of color—yellow, cyan, magenta, and violet—radiating from a dark central point, backlit to reveal the texture of the paper fibers.
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A detailed, flat, top-down illustration of an animal cell with labeled organelles including the nucleus, mitochondria, Golgi apparatus, and endoplasmic reticulum, rendered in colored inks on a pale blue background.
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A microscopic copepod with a translucent, segmented body and long, feathery antennae, carrying two amber-colored egg sacs, is illuminated against a dark blue background.
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A digital illustration of a biological cell undergoing mitosis, featuring glowing green chromosomes and blue spindle fibers against a dark, speckled background.
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A microscopic cross-section of a plant stem showing vascular bundles with red-stained xylem and blue-stained phloem, illuminated by brightfield light.
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A microscopic cross-section of a plant stem showing a ring of vascular bundles arranged around a central hollow pith, stained in vibrant crimson and turquoise against a white background.
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A top-down view of a crimson and cream dahlia anemone in a shallow, clear rock pool surrounded by pink coralline algae and limpets, with sunlight creating caustics on the water surface.
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A high-contrast white ink line art illustration on a black background depicting the intricate, radiating vein structure of a giant water lily leaf.
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A high-angle, black and white photograph of cracked ice on a frozen lake, featuring a complex web of white fracture lines and scattered air bubbles against a dark background.
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A collection of intricate, six-armed snowflake crystals arranged in a circular pattern on a dark, reflective surface, surrounded by a ring of small water droplets under soft, directional lighting.
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A translucent comb jelly floats in a dark underwater environment, displaying iridescent rainbow colors along its ciliary plates.
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A microscopic radiolarian skeleton with a spherical, hexagonal lattice structure and long, radiating spines, glowing in white and ice blue against a solid black background.
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A scanning electron micrograph of a gecko toe pad showing rows of curved lamellae covered in dense, branching setae with spatula-like tips, false-colored in teal against a dark charcoal background.
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A high-resolution close-up view of a sunspot group on the solar surface, featuring dark umbrae, a fibrous penumbra, and bright flaring kernels surrounded by golden solar granulation.
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A scanning electron micrograph of a plant leaf surface showing multiple open stomata with lime green guard cells set against a textured magenta background.
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A detailed 3D medical illustration of an Influenza A virus cross-section, displaying the viral envelope, surface spikes, and internal RNA segments against a white background.
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A circular spherulite of vitamin C crystals, featuring radiating needles in vibrant shades of blue, gold, and magenta, is bisected by a dark cross against a black background as seen through a polarizing microscope.
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A microscopic bdelloid rotifer is captured in differential interference contrast, showing its transparent body, internal jaw structure, and twin ciliated crowns against a grey-blue background.
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A detailed silk embroidery on midnight blue satin depicting a cell undergoing mitosis, featuring gold-threaded chromosomes and pale silk spindle fibers, captured in a flat, square-on view.
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A single Purkinje neuron with an extensive, tree-like dendritic arbor extending from a central cell body, captured in a Golgi stain against a warm amber background.
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A microscopic view of Allium cepa plant cells, stained with iodine to reveal their rigid cell walls and prominent nuclei.
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Multiple spherical Volvox colonies with internal daughter colonies float in a dark, aquatic environment, illuminated with a soft green glow.
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A thin section of gabbro viewed under crossed polarized light, showing twinned plagioclase crystals with grey and white stripes alongside pyroxene grains displaying vibrant green and magenta interference colors.
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A vibrant, symmetrical planetary nebula featuring concentric shells of glowing emerald green and gold ionized gas surrounding a bright central white dwarf star against a backdrop of distant stars and galaxies.
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A brain coral releases pink egg bundles into the dark water during a night dive, illuminated by a single light source from the left.
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A microscopic sea urchin larva with a transparent, four-armed body and glowing internal calcite rods is centered against a black background.
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A yellow slime mold with a branching, vein-like network spreads across the surface of dark, damp tree bark, viewed through a circular microscope field of view.
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A vibrant planetary nebula glows in deep space, featuring concentric rings of blue-green and crimson gas surrounding a bright white dwarf star at its center, set against a star-filled background.
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A close-up view of a sunspot pair on the solar surface, featuring dark umbrae surrounded by grey penumbral filaments, with a bright, snaking flare ribbon connecting the spots against a background of golden solar granulation.
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A scanning electron micrograph of a single lily pollen grain, featuring a reticulate wall with raised ridges and sunken pits, and a prominent central furrow, false-colored in gold against a dark charcoal background.
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A cluster of triangular Triceratium diatoms with intricate, perforated silica structures glowing in gold and violet against a solid black background.
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A scanning electron micrograph of Penicillium mould, showing upright stalks ending in brush-like heads with chains of round spores, set against a black background with a 200-micrometer scale bar.
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A microscopic view of a circular, symmetrical diatom shell featuring intricate geometric patterns and iridescent light effects against a dark blue background.
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A 3D digital illustration of a cell in prophase, featuring condensed purple chromosomes, a fading nuclear envelope, and two green spindle poles with radiating fibers inside a translucent cell on a pale blue background.
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A dense, stippled pen and ink illustration of a large cluster of ladybirds overwintering on a textured rock surface, with light catching their wing cases.
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A close-up view of metallic, dendritic copper structures branching inward toward a central light source, featuring salmon-colored ridges and green verdigris in the crevices against a black background.
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A microscopic view of plant cells featuring vibrant neon violet nuclei and electric lime cell walls.
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A white-spotted pufferfish rests in the center of a large, intricate circular pattern carved into the sandy seafloor, illuminated by sun caustics in clear blue water.
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A scanning electron micrograph of the underside of a hydrangea leaf showing multiple open stomatal pores, pavement cells, and a single trichome.
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A high-angle close-up of a grey limestone slab densely packed with fossilized crinoid stems and feathery crowns, illuminated by low-angle sunlight that highlights the textures against patches of green moss.
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A macro close-up of soap foam bubbles with iridescent magenta, gold, and green swirling films against a dark background, illuminated by soft light from the left.
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A microscopic view of Elodea leaf cells showing rectangular cell walls and numerous green chloroplasts under brightfield illumination.
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A cross-section of a paper-wasp nest with visible hexagonal honeycomb layers and a papery outer shell, illuminated by raking light against a solid black background.
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A digital illustration of a microscopic animal cell depicted as a translucent, glowing city with a central blue nucleus and orange mitochondria resembling power plants.
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A complex, bone-white fractal structure with repeating, organic, rib-like curves and porous textures, illuminated by a warm, golden light emanating from deep within the hollows.
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A vibrant supernova remnant fills the frame with intricate, glowing filaments of red and teal gas set against a dense field of distant stars.
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A brain coral releases pink egg bundles into the dark water, illuminated by a red-filtered light from above.
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