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    Light micrograph of an artery vascular cross section. — Stock Photo
    Light micrograph of an artery vascular cross section.
    Painted-wing tachinid fly (Ectophasia sp.) on a wild plant. — Stock Photo
    Painted-wing tachinid fly (Ectophasia sp.) on a wild plant.
    Full length unusual shrimp with transparent body and white tail and claws sitting on reef in dark seawater — Stock Photo
    Full length unusual shrimp with transparent body and white tail and claws sitting on reef in dark seawater
    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    Macro shot of head of European hornet or Vespa crabro insect largest eusocial wasp native to Europe against blurred dark background in nature — Stock Photo
    Macro shot of head of European hornet or Vespa crabro insect largest eusocial wasp native to Europe against blurred dark background in nature
    Tiny colorful marine Bryaninops natans or Redeye goby fishes swimming in dark deep tropical ocean water with coral reefs — Stock Photo
    Tiny colorful marine Bryaninops natans or Redeye goby fishes swimming in dark deep tropical ocean water with coral reefs
    Translucent euphyllia nudibranch with bright white tentacles sitting on coral reef on deep sea bottom — Stock Photo
    Translucent euphyllia nudibranch with bright white tentacles sitting on coral reef on deep sea bottom
    Exotic marine Antennarius multiocellatus or longlure frogfish hiding among sponges on bottom of ocean — Stock Photo
    Exotic marine Antennarius multiocellatus or longlure frogfish hiding among sponges on bottom of ocean
    Light micrograph of a colon biopsy from a colonoscopy. The pathology report describes normal colonic mucosa fragment with colic glands. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of a colon biopsy from a colonoscopy. The pathology report describes normal colonic mucosa fragment with colic glands. Haematoxylin and eosin stain.
    Light blue nudibranchs with yellow rhinophores and tentacles swimming together in deep seawater — Stock Photo
    Light blue nudibranchs with yellow rhinophores and tentacles swimming together in deep seawater
    Scuba diver exploring cave at the Great Barrier Reef — Stock Photo
    Scuba diver exploring cave at the Great Barrier Reef
    Sacrum bone, computer illustration — Stock Photo
    Sacrum bone, computer illustration
    Full length striped white and brown prawn sitting in soft corals in seawater — Stock Photo
    Full length striped white and brown prawn sitting in soft corals in seawater
    Light micrograph of adipose tissue containing large lipid droplet. — Stock Photo
    Light micrograph of adipose tissue containing large lipid droplet.
    Human cartilage, light micrograph. Cross section of human cartilage bone. Haematoxylin and eosin stain. — Stock Photo
    Human cartilage, light micrograph. Cross section of human cartilage bone. Haematoxylin and eosin stain.
    Scientists with specimen tray in laboratory — Stock Photo
    Scientists with specimen tray in laboratory
    Closeup of tropical marine bright green Solenostomus halimeda or Halimeda ghostpipefish fish floating in transparent water over sandy seabed — Stock Photo
    Closeup of tropical marine bright green Solenostomus halimeda or Halimeda ghostpipefish fish floating in transparent water over sandy seabed
    Female scientist in face mask at centrifuge in laboratory — Stock Photo
    Female scientist in face mask at centrifuge in laboratory
    Light micrograph of a longitudinal section of plant vascular tissue. — Stock Photo
    Light micrograph of a longitudinal section of plant vascular tissue.
    Light micrograph of human testis showing spermatogonia, spermatocytes in meiosis, spermatids, and spermatozoa. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of human testis showing spermatogonia, spermatocytes in meiosis, spermatids, and spermatozoa. Haematoxylin and eosin stain.
    Group of colorful anemone prawns crawling on uneven coral surface in deep seawater — Stock Photo
    Group of colorful anemone prawns crawling on uneven coral surface in deep seawater
    Covid-19 viruses affecting the heart, conceptual 3D illustration. Inflammation of the heart and other organs can be a complication of Covid-19, a respiratory disease caused by the new coronavirus SARS-Cov-2 — Stock Photo
    Covid-19 viruses affecting the heart, conceptual 3D illustration. Inflammation of the heart and other organs can be a complication of Covid-19, a respiratory disease caused by the new coronavirus SARS-Cov-2
    Human Femur, computer illustration — Stock Photo
    Human Femur, computer illustration
    Full body colorful spotted coleman shrimp sitting on soft coral in deep seawater — Stock Photo
    Full body colorful spotted coleman shrimp sitting on soft coral in deep seawater
    Closeup of tropical marine Cirrhitichthys aprinus or Spotted hawkfish fish hiding in corals in dark deep ocean water — Stock Photo
    Closeup of tropical marine Cirrhitichthys aprinus or Spotted hawkfish fish hiding in corals in dark deep ocean water
    Illustration different types of polymeric nanoparticles used for drug delivery. From clockwise: nanosphere (top left), dendrimer (top right), polymer micelle (bottom right) and polymersome (bottom left). — Stock Photo
    Illustration different types of polymeric nanoparticles used for drug delivery. From clockwise: nanosphere (top left), dendrimer (top right), polymer micelle (bottom right) and polymersome (bottom left).
    Leaf epidermis, light micrograph. The leaf epidermis under light microscope view has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration. — Stock Photo
    Leaf epidermis, light micrograph. The leaf epidermis under light microscope view has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration.
    Closeup of exotic tropical marine Scorpaenopsis papuensis or Papuan scorpionfish camouflaging among rocky reefs of ocean bottom — Stock Photo
    Closeup of exotic tropical marine Scorpaenopsis papuensis or Papuan scorpionfish camouflaging among rocky reefs of ocean bottom
    Male scientist in face mask using computer in laboratory — Stock Photo
    Male scientist in face mask using computer in laboratory
    3d illustration of a ribosome (purple), the site of protein synthesis, producing a polypeptide chain (blue). This process is known as translation. — Stock Photo
    3d illustration of a ribosome (purple), the site of protein synthesis, producing a polypeptide chain (blue). This process is known as translation.
    Closeup of spotted Diodon holocanthus or Longspined porcupinefish ray finned fish resting near bottom of ocean with coral reefs and seaweeds — Stock Photo
    Closeup of spotted Diodon holocanthus or Longspined porcupinefish ray finned fish resting near bottom of ocean with coral reefs and seaweeds
    Portrait confident female scientist in face mask and goggles — Stock Photo
    Portrait confident female scientist in face mask and goggles
    Full length wild brown prawn crawling on deep sea bottom in natural habitat — Stock Photo
    Full length wild brown prawn crawling on deep sea bottom in natural habitat
    Female scientist in hijab and face mask filling pipette tray in laboratory — Stock Photo
    Female scientist in hijab and face mask filling pipette tray in laboratory
    Motor neurons, light micrograph. Motor neurons of the spinal cord are part of the central nervous system. Haematoxylin and eosin stain. — Stock Photo
    Motor neurons, light micrograph. Motor neurons of the spinal cord are part of the central nervous system. Haematoxylin and eosin stain.
    Scientists in face masks working in laboratory — Stock Photo
    Scientists in face masks working in laboratory
    Sacrum bone, computer illustration — Stock Photo
    Sacrum bone, computer illustration
    Full length colorful vivid Mantis shrimp sitting on sandy sea bottom in natural habitat — Stock Photo
    Full length colorful vivid Mantis shrimp sitting on sandy sea bottom in natural habitat
    Osteoclast cross-section, illustration. Osteoclasts are large, multinucleated bone cells with a ruffled border and a high number of vesicles and vacuoles. They are essential for the maintenance and repair of bones — Stock Photo
    Osteoclast cross-section, illustration. Osteoclasts are large, multinucleated bone cells with a ruffled border and a high number of vesicles and vacuoles. They are essential for the maintenance and repair of bones
    Closeup of tropical marine Scorpaenopsis papuensis or Papuan scorpionfish swimming in deep transparent ocean water — Stock Photo
    Closeup of tropical marine Scorpaenopsis papuensis or Papuan scorpionfish swimming in deep transparent ocean water
    Low angle of wild Panamanian white faced capuchin or Cebus imitator looking at camera with interest while lying on tree trunk against blurred green foliage in rainforest of Costa Rica — Stock Photo
    Low angle of wild Panamanian white faced capuchin or Cebus imitator looking at camera with interest while lying on tree trunk against blurred green foliage in rainforest of Costa Rica
    Human Humerus, computer illustration — Stock Photo
    Human Humerus, computer illustration
    Coloured scanning electron micrograph (SEM) of a freeze fracture of the vagina showing the stratified squamous epithelium and the underlying lamina propria — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze fracture of the vagina showing the stratified squamous epithelium and the underlying lamina propria
    Red crustacean with long nose sitting on uneven coral reef in deep seawater — Stock Photo
    Red crustacean with long nose sitting on uneven coral reef in deep seawater
    Closeup of small yellow Acreichthys tomentosus or bristletail filefish swimming among corals near seabed in tropical waters — Stock Photo
    Closeup of small yellow Acreichthys tomentosus or bristletail filefish swimming among corals near seabed in tropical waters
    Tumour growth, computer illustration — Stock Photo
    Tumour growth, computer illustration
    Female scientist with pipette working at fume hood in laboratory — Stock Photo
    Female scientist with pipette working at fume hood in laboratory
    Astrovirus particles, illustration. Astroviruses are small viruses, about 28 nanometres in diameter, and first identified in 1975 using electron microscopy — Stock Photo
    Astrovirus particles, illustration. Astroviruses are small viruses, about 28 nanometres in diameter, and first identified in 1975 using electron microscopy
    Female scientists with specimen cooler in laboratory — Stock Photo
    Female scientists with specimen cooler in laboratory
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators — Stock Photo
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators
    Closeup of common carder bee Bombus pascuorum feeding on wild flower bud in nature — Stock Photo
    Closeup of common carder bee Bombus pascuorum feeding on wild flower bud in nature
    Antibodies binding influenza virus. Illustration of human antibodies (orange) neutralizing a influenza virus particle (blue). Each Y-shaped molecule has two arms that can bind to specific antigens — Stock Photo
    Antibodies binding influenza virus. Illustration of human antibodies (orange) neutralizing a influenza virus particle (blue). Each Y-shaped molecule has two arms that can bind to specific antigens
    Closeup of tiny bright yellow Gobiodon okinawae or Okinawa goby fishes swimimng near coral reef undersea — Stock Photo
    Closeup of tiny bright yellow Gobiodon okinawae or Okinawa goby fishes swimimng near coral reef undersea
    Closeup bright black green and orange nudibranch mollusk crawling on natural reef in sea depth — Stock Photo
    Closeup bright black green and orange nudibranch mollusk crawling on natural reef in sea depth
    Animal cells with mitochondria, illustration. — Stock Photo
    Animal cells with mitochondria, illustration.
    Inner structure of a typical bacterial cell, illustration. Bacterial cells do not have a membrane-bound nucleus or organelles — Stock Photo
    Inner structure of a typical bacterial cell, illustration. Bacterial cells do not have a membrane-bound nucleus or organelles
    Portrait confident female scientist in hijab and face mask in laboratory — Stock Photo
    Portrait confident female scientist in hijab and face mask in laboratory
    Full body small marine shrimp with bright white claws and tail swimming in deep seawater — Stock Photo
    Full body small marine shrimp with bright white claws and tail swimming in deep seawater
    Female scientist in face mask and gloves working in laboratory — Stock Photo
    Female scientist in face mask and gloves working in laboratory
    Closeup of bright multicolored exotic Halichoeres hortulanus or Checkerboard wrasse fish swimming at ocean bottom with corals — Stock Photo
    Closeup of bright multicolored exotic Halichoeres hortulanus or Checkerboard wrasse fish swimming at ocean bottom with corals