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    Light micrograph of a section through tissue showing an artery (middle ) and a vein (top left). — Stock Photo
    Light micrograph of a section through tissue showing an artery (middle ) and a vein (top left).
    Brucella bacteria, illustration. Brucella is a Gram negative, non-sporing, aerobic bacillus (rod- shaped bacteria) — Stock Photo
    Brucella bacteria, illustration. Brucella is a Gram negative, non-sporing, aerobic bacillus (rod- shaped bacteria)
    Human brain haemorrhage, digital illustration. — Stock Photo
    Human brain haemorrhage, digital illustration.
    Close-up of female hands holding potted succulent — Stock Photo
    Close-up of female hands holding potted succulent
    Abstract female body 3d model demonstrating stomach in human anatomy, digital illustration. — Stock Photo
    Abstract female body 3d model demonstrating stomach in human anatomy, digital illustration.
    Silhouette of male jogger having joint pain, conceptual illustration. — Stock Photo
    Silhouette of male jogger having joint pain, conceptual illustration.
    Digital illustration of painful shoulder in human skeleton. — Stock Photo
    Digital illustration of painful shoulder in human skeleton.
    Influenza myxovirus particle containing RNA, 3d digital illustration. — Stock Photo
    Influenza myxovirus particle containing RNA, 3d digital illustration.
    View of Healthy liver — Stock Photo
    View of Healthy liver
    Sweat bee in detailed portrait shot. — Stock Photo
    Sweat bee in detailed portrait shot.
    Two camels against blue sky — Stock Photo
    Two camels against blue sky
    Close-up illustration of transparent blue silhouette of male body with colored larynx. — Stock Photo
    Close-up illustration of transparent blue silhouette of male body with colored larynx.
    Enteroviruses and neuron — Stock Photo
    Enteroviruses and neuron
    Activated platelet cells — Stock Photo
    Activated platelet cells
    Frontal illustration of blue silhouette of obese woman with highlighted small intestine on black background. — Stock Photo
    Frontal illustration of blue silhouette of obese woman with highlighted small intestine on black background.
    Three Chimpanzees socializing in wild environment. — Stock Photo
    Three Chimpanzees socializing in wild environment.
    Upper body bones — Stock Photo
    Upper body bones
    Adult dust mite — Stock Photo
    Adult dust mite
    Male head and neck anatomy and blood vessels, computer illustration. — Stock Photo
    Male head and neck anatomy and blood vessels, computer illustration.
    Human skeleton model with detailed Brachioradialis muscle, computer illustration. — Stock Photo
    Human skeleton model with detailed Brachioradialis muscle, computer illustration.
    Male doctor examining patient mole with dermatoscope. — Stock Photo
    Male doctor examining patient mole with dermatoscope.
    Brain neurons, conceptual illustration — Stock Photo
    Brain neurons, conceptual illustration
    Human skeleton with detailed red Deltoid muscle, digital illustration. — Stock Photo
    Human skeleton with detailed red Deltoid muscle, digital illustration.
    Cattle laying In Field — Stock Photo
    Cattle laying In Field
    Crop unrecognizable scientist with plant in plastic tube on green background in studio — Stock Photo
    Crop unrecognizable scientist with plant in plastic tube on green background in studio
    Human esophagus and stomach — Stock Photo
    Human esophagus and stomach
    3d rendered illustration of healthy and enlarged prostate. — Stock Photo
    3d rendered illustration of healthy and enlarged prostate.
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Scientist holding multi-well plate with growth medium. — Stock Photo
    Scientist holding multi-well plate with growth medium.
    Human fetus at week 28, multicolored digital illustration. — Stock Photo
    Human fetus at week 28, multicolored digital illustration.
    Close-up of stacked Petri dishes with agar for microbiology research. — Stock Photo
    Close-up of stacked Petri dishes with agar for microbiology research.
    Female silhouette showing nervous system of back, computer illustration. — Stock Photo
    Female silhouette showing nervous system of back, computer illustration.
    Upper-body and skull skeletal system — Stock Photo
    Upper-body and skull skeletal system
    Unrecognizable man with syringe feeding birds — Stock Photo
    Unrecognizable man with syringe feeding birds
    Bumblebee shrimp on adhesive anemone — Stock Photo
    Bumblebee shrimp on adhesive anemone
    Blood vessels of human shoulder, digital illustration. — Stock Photo
    Blood vessels of human shoulder, digital illustration.
    Illustration of human thyroid gland in body silhouette. — Stock Photo
    Illustration of human thyroid gland in body silhouette.
    Laboratory assistant holding medical samples in rack, mid section. — Stock Photo
    Laboratory assistant holding medical samples in rack, mid section.
    Close-up of pipetting sample into plastic micro-centrifuge tube. — Stock Photo
    Close-up of pipetting sample into plastic micro-centrifuge tube.
    Colorful fish swimming above reef — Stock Photo
    Colorful fish swimming above reef
    Indonesia, Kalimantan, Borneo, Kotawaringin Barat, Tanjung Puting National Park, Orangutans sitting on wooden logs by water in forest — Stock Photo
    Indonesia, Kalimantan, Borneo, Kotawaringin Barat, Tanjung Puting National Park, Orangutans sitting on wooden logs by water in forest
    Illustration of stomach tumour in transparent male silhouette. — Stock Photo
    Illustration of stomach tumour in transparent male silhouette.
    Female silhouette showing breast anatomy, computer illustration. — Stock Photo
    Female silhouette showing breast anatomy, computer illustration.
    Kingella kingae bacteria, computer illustration. K. kingae is a Gram-negative coccobacillus that is part of the normal flora of children's throats. It can occasionally cause invasive disease, primarily osteomyelitis (bone infection) — Stock Photo
    Kingella kingae bacteria, computer illustration. K. kingae is a Gram-negative coccobacillus that is part of the normal flora of children's throats. It can occasionally cause invasive disease, primarily osteomyelitis (bone infection)
    Illustration of silhouette of pregnant woman and 30 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 30 week foetus.
    Digital illustration of nits eggs of human head louse attached to human hair. — Stock Photo
    Digital illustration of nits eggs of human head louse attached to human hair.
    Medical digital illustration of senior man with cardiac pacemaker in heart. — Stock Photo
    Medical digital illustration of senior man with cardiac pacemaker in heart.
    Human skeleton with red colored Flexor hallucis muscle, computer illustration. — Stock Photo
    Human skeleton with red colored Flexor hallucis muscle, computer illustration.
    Abstract human immunodeficiency virus structure, scientific digital illustration. — Stock Photo
    Abstract human immunodeficiency virus structure, scientific digital illustration.
    Soap bubbles and acrylic paint in oil — Stock Photo
    Soap bubbles and acrylic paint in oil
    Blood pressure and circulatory system with labels — Stock Photo
    Blood pressure and circulatory system with labels
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph. — Stock Photo
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph.
    Human fetus at week 12, realistic digital illustration. — Stock Photo
    Human fetus at week 12, realistic digital illustration.
    Adult Veiled chameleon — Stock Photo
    Adult Veiled chameleon
    Bald Eagle In Flight — Stock Photo
    Bald Eagle In Flight
    Horse anatomy with visible internal organs, computer illustration. — Stock Photo
    Horse anatomy with visible internal organs, computer illustration.
    From above of black and white striped sea lionfish near bottom of aquarium on blurred background — Stock Photo
    From above of black and white striped sea lionfish near bottom of aquarium on blurred background
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Realistic structure of female musculature, computer illustration. — Stock Photo
    Realistic structure of female musculature, computer illustration.
    Adult parasitic louse — Stock Photo
    Adult parasitic louse