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    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Cancer cell with filaments — Stock Photo
    Cancer cell with filaments
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen. — Stock Photo
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen.
    Prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cells, coloured scanning electron micrograph.
    Gall bladder lining — Stock Photo
    Gall bladder lining
    Antibiotic resistant Pseudomonas aeruginosa bacteria, digital 3d illustration. — Stock Photo
    Antibiotic resistant Pseudomonas aeruginosa bacteria, digital 3d illustration.
    Cancer cell, computer illustration. — Stock Photo
    Cancer cell, computer illustration.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.
    Light micrograph of onion (Allium cepa) root tip cells undergoing mitosis (nuclear division). — Stock Photo
    Light micrograph of onion (Allium cepa) root tip cells undergoing mitosis (nuclear division).
    Abstract green colored cancer cells on tissue, digital illustration. — Stock Photo
    Abstract green colored cancer cells on tissue, digital illustration.
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration. — Stock Photo
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration.
    Scanning electron micrograph (SEM) of sarcoma cells in culture. — Stock Photo
    Scanning electron micrograph (SEM) of sarcoma cells in culture.
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration — Stock Photo
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration
    Midrib of a tea leaf — Stock Photo
    Midrib of a tea leaf
    Lysosome fusing with autophagosome — Stock Photo
    Lysosome fusing with autophagosome
    Abstract illustration of blue bacilli bacteria, full frame. — Stock Photo
    Abstract illustration of blue bacilli bacteria, full frame.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, digital illustration.
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration.
    Secondary follicles in an ovary — Stock Photo
    Secondary follicles in an ovary
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration.
    Illustration of 8 cell stage egg on blue background. — Stock Photo
    Illustration of 8 cell stage egg on blue background.
    Hepatocyte cells, light micrograph. Hepatocyte cells are the main parenchymal tissue cells of the liver. Haematoxylin and eosin stain. — Stock Photo
    Hepatocyte cells, light micrograph. Hepatocyte cells are the main parenchymal tissue cells of the liver. Haematoxylin and eosin stain.
    Norovirus gastroenteritis virus particles, digital illustration. — Stock Photo
    Norovirus gastroenteritis virus particles, digital illustration.
    Fatcells structure and anatomy — Stock Photo
    Fatcells structure and anatomy
    Blood clot structure — Stock Photo
    Blood clot structure
    E. coli bacteria in blood stream — Stock Photo
    E. coli bacteria in blood stream
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Digital illustration of blue virus particles on black background. — Stock Photo
    Digital illustration of blue virus particles on black background.
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Ciliated type cells, digital illustration. — Stock Photo
    Ciliated type cells, digital illustration.
    White blood cells — Stock Photo
    White blood cells
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Virus in human blood, computer illustration. — Stock Photo
    Virus in human blood, computer illustration.
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Illustration of a cancer cell. — Stock Photo
    Illustration of a cancer cell.
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration — Stock Photo
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Digital artwork of human cells with cytomegalic inclusion disease symptom of cytomegalovirus infection. — Stock Photo
    Digital artwork of human cells with cytomegalic inclusion disease symptom of cytomegalovirus infection.
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration — Stock Photo
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration
    3d illustration of blood plasma and components of blood flowing from artery. — Stock Photo
    3d illustration of blood plasma and components of blood flowing from artery.
    Red cancer cells, digital illustration. — Stock Photo
    Red cancer cells, digital illustration.
    3d illustration of transparent and colourful protozoa. — Stock Photo
    3d illustration of transparent and colourful protozoa.
    Digital illustration of human digestive system and close-up of intestinal bacteria. — Stock Photo
    Digital illustration of human digestive system and close-up of intestinal bacteria.
    Nanobot in bloodstream with red erythrocytes, digital illustration. — Stock Photo
    Nanobot in bloodstream with red erythrocytes, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer 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.
    Close-up of hands of female scientist working in laboratory with pipette and flask. — Stock Photo
    Close-up of hands of female scientist working in laboratory with pipette and flask.
    Fat cell. Coloured scanning electron micrograph (SEM) of part of a fat-storing cell (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter — Stock Photo
    Fat cell. Coloured scanning electron micrograph (SEM) of part of a fat-storing cell (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter
    Blood droplet containing cells, conceptual illustration of hemophilia. — Stock Photo
    Blood droplet containing cells, conceptual illustration of hemophilia.
    Abstract structure of neural network on dark background, digital illustration. — Stock Photo
    Abstract structure of neural network on dark background, digital illustration.
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    3d illustration of cross-section of hepatitis pathogen with DNA, cell nucleus and receptors. — Stock Photo
    3d illustration of cross-section of hepatitis pathogen with DNA, cell nucleus and receptors.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Red blood cells in a blood vessel — Stock Photo
    Red blood cells in a blood vessel