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    Close-up of adenovirus infecting human lungs, digital illustration. — Stock Photo
    Close-up of adenovirus infecting human lungs, digital illustration.
    Male upper body anatomy and internal organs, computer illustration. — Stock Photo
    Male upper body anatomy and internal organs, computer illustration.
    Female silhouette showing breast anatomy, computer illustration. — Stock Photo
    Female silhouette showing breast anatomy, computer illustration.
    Oesophageal cancer, composite digital illustration with human body and cancer cell. — Stock Photo
    Oesophageal cancer, composite digital illustration with human body and cancer cell.
    Illustration of human kidneys in body silhouette. — Stock Photo
    Illustration of human kidneys in body silhouette.
    Human heart in rear view, digital illustration. — Stock Photo
    Human heart in rear view, digital illustration.
    Close-up of pipetting sample into plastic micro-centrifuge tube rack. — Stock Photo
    Close-up of pipetting sample into plastic micro-centrifuge tube rack.
    Infected droplet. 3D illustration showing one respiratory droplet containing coronavirus particles. — Stock Photo
    Infected droplet. 3D illustration showing one respiratory droplet containing coronavirus particles.
    Male anatomy showing Gluteus medius muscle, computer illustration. — Stock Photo
    Male anatomy showing Gluteus medius muscle, computer illustration.
    Woman holding frog in hands — Stock Photo
    Woman holding frog in hands
    Close-up of scientist hand holding PCR multiwell plate. — Stock Photo
    Close-up of scientist hand holding PCR multiwell plate.
    Adenocarcinoma of the thyroid gland — Stock Photo
    Adenocarcinoma of the thyroid gland
    Fibula bone in transparent human body, computer illustration. — Stock Photo
    Fibula bone in transparent human body, computer illustration.
    Illustration of senior woman silhouette with colored small intestine on white background. — Stock Photo
    Illustration of senior woman silhouette with colored small intestine on white background.
    Female anatomy with detailed uterus, computer illustration. — Stock Photo
    Female anatomy with detailed uterus, computer illustration.
    Adult female mosquito — Stock Photo
    Adult female mosquito
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells — Stock Photo
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells
    Illustration of overweight woman with visible spleen on black background. — Stock Photo
    Illustration of overweight woman with visible spleen on black background.
    Realistic human fetus at week 37, computer illustration. — Stock Photo
    Realistic human fetus at week 37, computer illustration.
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Humpback Whales on water surface — Stock Photo
    Humpback Whales on water surface
    Male anatomy showing Splenius capitis muscle, computer illustration. — Stock Photo
    Male anatomy showing Splenius capitis muscle, computer illustration.
    Abstract male figure with detailed Transversus abdominis muscle, digital illustration. — Stock Photo
    Abstract male figure with detailed Transversus abdominis muscle, digital illustration.
    Inferior view of human skull anatomy — Stock Photo
    Inferior view of human skull anatomy
    Background of low tide Ruby Beach, Olympic National Park, Washington coast — Stock Photo
    Background of low tide Ruby Beach, Olympic National Park, Washington coast
    Leaf scorpionfish on reef — Stock Photo
    Leaf scorpionfish on reef
    Male head and neck anatomy and musculature, digital illustration. — Stock Photo
    Male head and neck anatomy and musculature, digital illustration.
    Human skeleton with red colored Extensor digitorum longus muscle, computer illustration. — Stock Photo
    Human skeleton with red colored Extensor digitorum longus muscle, computer illustration.
    Bull Moose standing on ground — Stock Photo
    Bull Moose standing on ground
    Female skeleton in transparent body silhouette, digital illustration. — Stock Photo
    Female skeleton in transparent body silhouette, digital illustration.
    Illustration of thyroid cancer in human throat silhouette. — Stock Photo
    Illustration of thyroid cancer in human throat silhouette.
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Aflatoxin B1 molecular model of mycotoxin and close-up view of Aspergillus flavus fungi. — Stock Photo
    Aflatoxin B1 molecular model of mycotoxin and close-up view of Aspergillus flavus fungi.
    Mycoplasma genitalium parasitic bacteria, digital illustration. — Stock Photo
    Mycoplasma genitalium parasitic bacteria, digital illustration.
    Bacteria, viruses and cells, abstract digital illustration. — Stock Photo
    Bacteria, viruses and cells, abstract digital illustration.
    Close-up of syringe full of blood in hands of male doctor. — Stock Photo
    Close-up of syringe full of blood in hands of male doctor.
    Minor beefly (Bombylius minor) on a wild flower head. — Stock Photo
    Minor beefly (Bombylius minor) on a wild flower head.
    3d rendered illustration of cyclist spine while biking on black background. — Stock Photo
    3d rendered illustration of cyclist spine while biking on black background.
    Female body silhouette with visible skeleton, digital illustration. — Stock Photo
    Female body silhouette with visible skeleton, digital illustration.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes).
    Male body with visible colored Gastrocnemius muscle, computer illustration. — Stock Photo
    Male body with visible colored Gastrocnemius muscle, computer illustration.
    Red colored cancer cell, digital illustration. — Stock Photo
    Red colored cancer cell, digital illustration.
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    Illustration of blue silhouette of obese woman with highlighted esophagus. — Stock Photo
    Illustration of blue silhouette of obese woman with highlighted esophagus.
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Clark anemonefish in tentacles of anemone — Stock Photo
    Clark anemonefish in tentacles of anemone
    Abstract animal cell on blue background, digital illustration. — Stock Photo
    Abstract animal cell on blue background, digital illustration.
    3d rendered illustration of blue silhouette of man with backache. — Stock Photo
    3d rendered illustration of blue silhouette of man with backache.
    Male body with adrenal glands, computer illustration. — Stock Photo
    Male body with adrenal glands, computer illustration.
    Illustration of schistosoma blood fluke flatworm. — Stock Photo
    Illustration of schistosoma blood fluke flatworm.
    Moray eels in hole with cleaner shrimp — Stock Photo
    Moray eels in hole with cleaner shrimp
    Closeup view of majestic betta fish on black background — Stock Photo
    Closeup view of majestic betta fish on black background
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Colony of Micrococcus luteus bacteria on surface of nutrient medium, digital illustration. — Stock Photo
    Colony of Micrococcus luteus bacteria on surface of nutrient medium, digital illustration.
    Illustration of lumbar spine in human skeleton. — Stock Photo
    Illustration of lumbar spine in human skeleton.
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Human back anatomy — Stock Photo
    Human back anatomy