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    Close-up of pipetting samples into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting samples into microcentrifuge tubes.
    Covid-19, Coronavirus. Several covid-19 viruses infecting the human organism. Concept image of the virus inside human cells. — Stock Photo
    Covid-19, Coronavirus. Several covid-19 viruses infecting the human organism. Concept image of the virus inside human cells.
    Medical nanorobot in blood vessel, digital illustration. — Stock Photo
    Medical nanorobot in blood vessel, digital illustration.
    Normal skeletal system — Stock Photo
    Normal skeletal system
    Internal organs and pelvic girdle — Stock Photo
    Internal organs and pelvic girdle
    Male science teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male science teacher and students conducting scientific experiment in laboratory classroom
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Fertilization of human egg — Stock Photo
    Fertilization of human egg
    Close up of chemicals in beaker on table — Stock Photo
    Close up of chemicals in beaker on table
    Cross-section of a large intestine — Stock Photo
    Cross-section of a large intestine
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Crop unrecognizable biologist in latex gloves filling injector with liquid from small bottle in laboratory — Stock Photo
    Crop unrecognizable biologist in latex gloves filling injector with liquid from small bottle in laboratory
    Viral particle infection blood stream — Stock Photo
    Viral particle infection blood stream
    Yellow rod-shaped Citrobacter bacteria, digital illustration. — Stock Photo
    Yellow rod-shaped Citrobacter bacteria, digital illustration.
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Chimeric antigen receptor in brain cell membrane, illustration. — Stock Photo
    Chimeric antigen receptor in brain cell membrane, illustration.
    View of Fetus at 7 weeks — Stock Photo
    View of Fetus at 7 weeks
    Seaweed tablets and seaweed plants, studio shot. — Stock Photo
    Seaweed tablets and seaweed plants, studio shot.
    Illustration of virus particle on black background. — Stock Photo
    Illustration of virus particle on black background.
    Light microscope objective lenses in laboratory. — Stock Photo
    Light microscope objective lenses in laboratory.
    Silk moth (Bombyx mori) head and antenna. — Stock Photo
    Silk moth (Bombyx mori) head and antenna.
    Erythrocytes or red blood cells — Stock Photo
    Erythrocytes or red blood cells
    Focus of inflammation localized in shoulder joint — Stock Photo
    Focus of inflammation localized in shoulder joint
    Tick biting skin — Stock Photo
    Tick biting skin
    Crop unrecognizable male doctor demonstrating modern plastic mannequin head for dentistry lessons against gray wall — Stock Photo
    Crop unrecognizable male doctor demonstrating modern plastic mannequin head for dentistry lessons against gray wall
    Human skeletal system — Stock Photo
    Human skeletal system
    Male teacher helping girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher helping girl student using microscope, conducting scientific experiment in laboratory classroom
    Human thyroid gland — Stock Photo
    Human thyroid gland
    Giardia lamblia flagellated protozoan parasite, digital illustration. — Stock Photo
    Giardia lamblia flagellated protozoan parasite, digital illustration.
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    Plant seedling in soil in Petri dish and tweezers in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish and tweezers in laboratory.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Female teacher and girl students examining molecular structure in classroom — Stock Photo
    Female teacher and girl students examining molecular structure in classroom
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Painful human lymph nodes — Stock Photo
    Painful human lymph nodes
    Healthy red blood cells — Stock Photo
    Healthy red blood cells
    Human skeletal anatomy — Stock Photo
    Human skeletal anatomy
    Chemist analysing chemical elements — Stock Photo
    Chemist analysing chemical elements
    Scientists discussing over chemical solution in bottle at lab — Stock Photo
    Scientists discussing over chemical solution in bottle at lab
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Flying adult female mosquito — Stock Photo
    Flying adult female mosquito
    Antibodies attacking virus particles, computer illustration. — Stock Photo
    Antibodies attacking virus particles, computer illustration.
    3d illustration of intestinal finger-like villi projections extending in lumen of small intestine — Stock Photo
    3d illustration of intestinal finger-like villi projections extending in lumen of small intestine
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Doctor looking at x-ray of knee. — Stock Photo
    Doctor looking at x-ray of knee.
    Skeletal system and internal organs — Stock Photo
    Skeletal system and internal organs
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab
    Digital artwork of Voyager probe at Oort cloud. — Stock Photo
    Digital artwork of Voyager probe at Oort cloud.
    Stacked petri dishes with with biohazard warning. — Stock Photo
    Stacked petri dishes with with biohazard warning.
    View of Fetus at 33 weeks — Stock Photo
    View of Fetus at 33 weeks
    Scientist hand carrying bacteria colonies growing in Petri dish. — Stock Photo
    Scientist hand carrying bacteria colonies growing in Petri dish.
    Portrait smiling college students in science laboratory classroom — Stock Photo
    Portrait smiling college students in science laboratory classroom
    X-ray of skull of adult male — Stock Photo
    X-ray of skull of adult male
    Haemophilus ducreyi bacteria, digital illustration. — Stock Photo
    Haemophilus ducreyi bacteria, digital illustration.
    Female chemist setting up equipment in laboratory. — Stock Photo
    Female chemist setting up equipment in laboratory.
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Male teacher and boy student conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and boy student conducting scientific experiment in laboratory classroom
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar. — Stock Photo
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar.
    Red blood cells — Stock Photo
    Red blood cells