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Fotografía de fondo de ojo humano

A high-magnification fundus photograph of a human retina, showing the optic disc, macula, and branching retinal blood vessels against a golden-amber background.

A retinal image filling the frame, the optic disc pale orange and vessels branching in dark red arcs across a golden fundus, fine choroidal mottling toward the edges, clinical fundus imaging, high magnification, warm amber palette. Ver más

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A medical cross-section illustration of a human eye on a white background, showing light rays passing through the cornea and lens to focus on the retina.

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.

A detailed close-up drawing of a human iris in shades of hazel, amber, and green, featuring a central black pupil and a bright highlight in the upper left.

A microscopic view of squid skin showing vibrant ruby, amber, and brown chromatophores scattered across a translucent surface with iridescent blue cells.

A stylized, cobalt-blue depiction of a solar eclipse with a central black occulting disc surrounded by a radiant, textured halo of plasma against a star-filled background.

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.

A close-up macro photograph of a brown horse's eye, showing a detailed reflection of a stable door and a green field in the cornea, with soft lighting illuminating the texture of the skin and eyelashes.

A close-up macro photograph of a brown horse's eye, reflecting a green paddock and a person in the morning light.

The International Space Station is silhouetted against the golden, granulated surface of the Sun, positioned near a pair of dark sunspots.

A close-up macro photograph of a brown horse's eye, with the reflection of a green pasture and a white fence visible in the iris.

A close-up macro shot of a grey horse's eye, reflecting a marsh landscape and the setting sun during golden hour.

A view of a planet with a thick orange atmosphere and a blue outer layer, featuring a bright sun glinting off a surface feature.

The Helix Nebula is captured in deep space, displaying a vibrant teal inner ring surrounded by a diffuse red outer halo of ionized gas, with a central white dwarf star visible against a background of scattered stars.

A wide-field view of the Sun's corona featuring flowing, pearl-white streamers extending into the dark expanse of space, with a bright star visible in the distance.

A massive solar flare erupts from the surface of the Sun, with the Earth visible as a small blue sphere in the dark space nearby for scale.

A series of glowing, arched magnetic loops extend from the dark surface of the sun into the surrounding corona.

A detailed anatomical cross-section illustration of human skin showing the epidermis, dermis, and subcutis layers, including a hair follicle, sweat glands, and blood vessels.

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.

An anatomical cross-section illustration of a human eye showing the cornea, iris, lens, retina, and optic nerve on a textured, off-white background.

A close-up macro photograph of a human eye with a brown iris, showing detailed pigment patterns and a dark limbal ring, illuminated by soft light.

A microscopic view of Allium cepa plant cells, stained with iodine to reveal their rigid cell walls and prominent nuclei.

A close-up view of the Sun's surface showing a dark, twisting plasma filament lifting off the mottled red chromosphere with a bright solar flare visible beneath it.

The International Space Station is silhouetted against the large, golden disc of the Sun, positioned near a prominent sunspot group above the horizon of the Bonneville Salt Flats.

A close-up macro photograph of a brown horse's eye, showing a reflection of a green pasture and a white fence in the iris.

A microscopic view of Elodea leaf cells showing rectangular cell walls and numerous green chloroplasts under brightfield illumination.

A high-contrast, gold-toned image of the Sun showing a large, dark coronal hole at the pole with radiating plumes and complex, bright magnetic loops across the equatorial region.

A close-up view of translucent, textured rice paper backlit to reveal long, wandering fibers, dark knots, and a denser horizontal band of material across the center.

A close-up photograph of a dark horse's eye, reflecting a landscape with a fence, red badlands, and a stormy sunset sky.

A microscopic Volvox colony appears as a glowing, spherical structure against a black background, containing three smaller daughter colonies within its hollow, mesh-like frame.

A slit lamp ophthalmology examination device sits in a dimly lit room with a thin blue beam of light projected across the air between the lenses.

A blackwork illustration of a total solar eclipse centered on a white background, featuring a solid black disc surrounded by a radiating corona of fine lines and a textured dotwork halo.

A microscopic cross-section of a plant stem showing vascular bundles with red-stained xylem and blue-stained phloem, illuminated by brightfield light.

A dark, cratered planetary disc is silhouetted against the bright, streaming corona of the Sun, with pale gold and white light flaring out into space.

A close-up macro photograph of a cat's eye featuring a vibrant emerald green iris with intricate texture and a vertical black pupil, surrounded by brown tabby fur.

A high-contrast, violet-toned image of the Sun's full disc showing the chromospheric network and three bright active regions.

A close-up view of the moon Io, showing its yellow, cratered surface and a large volcanic plume erupting from the limb against the blackness of space.

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.

A macro close-up of a human eye with an amber-brown iris, showing detailed radial fibers and a window reflection in the pupil.

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.

A bright, circular shock wave ripples outward from a solar flare on the Sun's crimson, mottled chromosphere.

An aerial view of the Martian south polar cap showing dark, spider-like channels and dust fans erupting through thawing ice.

A detailed, full-disc view of the Sun in a deep orange and gold palette, showing the textured chromosphere, dark filaments, and a prominent solar loop extending from the upper right limb against a black background.

A large, glowing loop of solar plasma arches off the edge of the Sun against the blackness of space.

A close-up macro photograph of a ginger tabby cat's eye, featuring a narrow vertical pupil and a textured golden iris, illuminated by bright sunlight.

A close-up macro photograph of a human eye where the iris is replaced by a vibrant blue sky filled with fluffy white clouds.

A detailed graphite pencil drawing of a human eye, featuring a textured iris, a pupil with a window reflection, and individual eyelashes, presented against a plain white background.

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.

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.

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 gouache painting depicting numerous red blood cells as rounded, dimpled crimson discs floating in a pale rose-colored fluid.

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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An artistic illustration of a neuron rendered in ink and watercolor against a deep indigo background, featuring a glowing amber cell body, intricate branching dendrites, and a long axon with pearl-like segments.

A detailed anatomical cross-section illustration of the human eye, labeling structures including the cornea, iris, lens, ciliary body, sclera, choroid, retina, vitreous humor, and optic nerve.

An extreme macro close-up of a human eye with a honey-gold and brown iris, featuring a circular ring light reflection in the pupil and visible blood vessels in the sclera.

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.

A view of the Sun's surface showing a large, complex sunspot group and the small, perfectly circular silhouette of Mercury in transit against the golden, granulated solar disc.

A dramatic eruption of bright orange and white plasma bursts from the edge of the Sun into the dark expanse of space.

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.

A digital simulation of fine, glowing gold filaments branching out across a solid black background, resembling a neural network or a city grid seen from space.

A close-up macro photograph of a Philippine tarsier's large amber eye, showing a reflection of forest foliage in the iris and surrounded by fine grey fur.

A high-resolution H-alpha image of the Sun's chromosphere showing a bright flare shock wave propagating from an active region across the solar surface, with dark filaments visible against the crimson disc.

A macro photograph of Newton's rings, showing concentric bands of violet, green, and gold radiating from a dark center on a circular glass plate against a black background.

A detailed view of the Sun's surface showing glowing magnetic plasma loops arching between bright active regions against a dark, mottled solar disc.

A macro close-up of a crested gecko's eye, featuring a vertical pupil and a golden, veined iris surrounded by textured, granular scales.

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 vibrant, spherical nebula glows in shades of teal and crimson against a dark, star-filled space background.

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A high-contrast, monochromatic image of a solar flare erupting from the limb of the Sun, showing glowing magnetic loops extending into space above bright, intense footpoints.

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