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    Illustration of transparent cancer cell on blue background. — Stock Photo
    Illustration of transparent cancer cell on blue background.
    Illustration of damaged DNA strand on gray background. — Stock Photo
    Illustration of damaged DNA strand on gray background.
    Cross-section of spinal cord, light micrograph. — Stock Photo
    Cross-section of spinal cord, light micrograph.
    Female scientist examining DNA autoradiogram. — Stock Photo
    Female scientist examining DNA autoradiogram.
    Chromosome structure and composition — Stock Photo
    Chromosome structure and composition
    Colored norovirus particle, digital illustration. — Stock Photo
    Colored norovirus particle, digital illustration.
    Abdominal lymph nodes in female body, computer illustration. — Stock Photo
    Abdominal lymph nodes in female body, computer illustration.
    Stable fly in dorsal portrait shot. — Stock Photo
    Stable fly in dorsal portrait shot.
    Neon Goby looking out from hole — Stock Photo
    Neon Goby looking out from hole
    Antibiotic resistant Pseudomonas aeruginosa bacteria, digital 3d illustration. — Stock Photo
    Antibiotic resistant Pseudomonas aeruginosa bacteria, digital 3d illustration.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration. — Stock Photo
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration.
    Norovirus infection in small intestine, digital illustration. — Stock Photo
    Norovirus infection in small intestine, digital illustration.
    Artwork of human fertilization — Stock Photo
    Artwork of human fertilization
    Male body with visible vascular system, computer illustration. — Stock Photo
    Male body with visible vascular system, computer illustration.
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge. — Stock Photo
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge.
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis E virus. — Stock Photo
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis E virus.
    Structure of DNA molecule — Stock Photo
    Structure of DNA molecule
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Mycobacterium chimaera bacteria, computer illustration. — Stock Photo
    Mycobacterium chimaera bacteria, computer illustration.
    Microvilli from the small intestine — Stock Photo
    Microvilli from the small intestine
    Computer illustration of rod-shaped bacilli bacteria inside alveolus of lung, causing lower respiratory tract infection and bacterial pneumonia. — Stock Photo
    Computer illustration of rod-shaped bacilli bacteria inside alveolus of lung, causing lower respiratory tract infection and bacterial pneumonia.
    3d illustration of the internal organs of a human body with the cardiovascular and nervous systems and brain. — Stock Photo
    3d illustration of the internal organs of a human body with the cardiovascular and nervous systems and brain.
    Antibody, or immunoglobulin molecules — Stock Photo
    Antibody, or immunoglobulin molecules
    Seedling in Petri dish for plant research, conceptual image. — Stock Photo
    Seedling in Petri dish for plant research, conceptual image.
    Scanning electron micrograph of bacteria cultured from sample of human faeces. — Stock Photo
    Scanning electron micrograph of bacteria cultured from sample of human faeces.
    Animal cells during cytokinesis (cell division), illustration — Stock Photo
    Animal cells during cytokinesis (cell division), illustration
    Green colored nerve cell on white background, digital illustration. — Stock Photo
    Green colored nerve cell on white background, digital illustration.
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.
    Elysia crispata sea slug — Stock Photo
    Elysia crispata sea slug
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Close-up of DNA autoradiogram on white background. — Stock Photo
    Close-up of DNA autoradiogram on white background.
    Coronavirus particle, illustration. SARS-CoV-2 is an enveloped RNA (ribonucleic acid) virus. Within the membrane are spike proteins (centre, large red spikes), membrane proteins and envelope proteins. SARS-CoV-2 causes the respiratory infection Covid — Stock Photo
    Coronavirus particle, illustration. SARS-CoV-2 is an enveloped RNA (ribonucleic acid) virus. Within the membrane are spike proteins (centre, large red spikes), membrane proteins and envelope proteins. SARS-CoV-2 causes the respiratory infection Covid
    Nervous system and lumbar plexus — Stock Photo
    Nervous system and lumbar plexus
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Illustration of colored liver in human body silhouette on black background. — Stock Photo
    Illustration of colored liver in human body silhouette on black background.
    Faecalibacterium prausnitzii bacteria, digital illustration. — Stock Photo
    Faecalibacterium prausnitzii bacteria, digital illustration.
    Medical illustration of human cell structure on white background. — Stock Photo
    Medical illustration of human cell structure on white background.
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells — Stock Photo
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Digital artwork of Gram-positive anaerobic Bifidobacterium bacteria. — Stock Photo
    Digital artwork of Gram-positive anaerobic Bifidobacterium bacteria.
    Human hair Caucasian brunette, coloured scanning electron micrograph. — Stock Photo
    Human hair Caucasian brunette, coloured scanning electron micrograph.
    E. coli bacteria, illustration. Escherichia coli is a rod-shaped bacterium (bacillus). Its cell membrane is covered in fine filaments called pili or fimbriae — Stock Photo
    E. coli bacteria, illustration. Escherichia coli is a rod-shaped bacterium (bacillus). Its cell membrane is covered in fine filaments called pili or fimbriae
    3d illustration of a mitochondrion within a cell. Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They oxidase sugars and fats to produce energy — Stock Photo
    3d illustration of a mitochondrion within a cell. Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They oxidase sugars and fats to produce energy
    Digital illustration of parasitic Ancylostoma duodenale hookworms. — Stock Photo
    Digital illustration of parasitic Ancylostoma duodenale hookworms.
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases — Stock Photo
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases
    Scientist hand holding test tube with seedlings, conceptual image of plant research and genetic engineering. — Stock Photo
    Scientist hand holding test tube with seedlings, conceptual image of plant research and genetic engineering.
    Red cancer cells, digital illustration. — Stock Photo
    Red cancer cells, digital illustration.
    Erythrocytes or red blood cells — Stock Photo
    Erythrocytes or red blood cells
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Alzheimer's disease. Illustration of amyloid plaques amongst neurons and neurofibrillary tangles inside neurons. Amyloid plaques are characteristic features of Alzheimer's disease — Stock Photo
    Alzheimer's disease. Illustration of amyloid plaques amongst neurons and neurofibrillary tangles inside neurons. Amyloid plaques are characteristic features of Alzheimer's disease
    Female researcher studying DNA autoradiogram. — Stock Photo
    Female researcher studying DNA autoradiogram.
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Illustration of gluten particles damaging intestinal villi. — Stock Photo
    Illustration of gluten particles damaging intestinal villi.
    Apoptosis of neuron cell — Stock Photo
    Apoptosis of neuron cell
    Illustration of yellow human egg cell on blue background. — Stock Photo
    Illustration of yellow human egg cell on blue background.
    Female scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Female scientist pipetting liquid into Eppendorf tubes.
    Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria — Stock Photo
    Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria
    Mushroom abstraction on fallen tree — Stock Photo
    Mushroom abstraction on fallen tree