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    Tumour tissue cells, digital illustration. — Stock Photo
    Tumour tissue cells, digital illustration.
    Abstract animal cells, digital illustration. — Stock Photo
    Abstract animal cells, digital illustration.
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake — Stock Photo
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake
    Genetic engineering, illustration. Synthetic small-ribonucleic acid (sRNA) being injected (needle tip at upper right) into the cell cytoplasm as part of a process of genetic engineering — Stock Photo
    Genetic engineering, illustration. Synthetic small-ribonucleic acid (sRNA) being injected (needle tip at upper right) into the cell cytoplasm as part of a process of genetic engineering
    Stomach cancer cell, computer illustration — Stock Photo
    Stomach cancer cell, computer illustration
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    3d rendered illustration of human nerve cell on black background. — Stock Photo
    3d rendered illustration of human nerve cell on black background.
    Transparent cells on purple background, digital illustration. — Stock Photo
    Transparent cells on purple background, digital illustration.
    Abstract computer illustration of RNA polymerase transcribing DNA to messenger RNA mRNA. — Stock Photo
    Abstract computer illustration of RNA polymerase transcribing DNA to messenger RNA mRNA.
    Neurone embedded in grey matter — Stock Photo
    Neurone embedded in grey matter
    Caudate nucleus of the brain, computer illustration — Stock Photo
    Caudate nucleus of the brain, computer illustration
    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.
    Structure of animal cell — Stock Photo
    Structure of animal cell
    Digital illustration of human nerve cell with dendrites. — Stock Photo
    Digital illustration of human nerve cell with dendrites.
    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).
    Magnified digital illustration of basophil cell. — Stock Photo
    Magnified digital illustration of basophil cell.
    3d illustration of top view of skin-colored cell pattern. — Stock Photo
    3d illustration of top view of skin-colored cell pattern.
    Pink colored nerve cell on white background, digital illustration. — Stock Photo
    Pink colored nerve cell on white background, digital illustration.
    Nerve cell structure in cross section on white background, digital illustration. — Stock Photo
    Nerve cell structure in cross section on white background, digital illustration.
    Human brain caudate nucleus — Stock Photo
    Human brain caudate nucleus
    Digital illustration of blue human nerve cell. — Stock Photo
    Digital illustration of blue human nerve cell.
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue.
    Visual rendering of Cells — Stock Photo
    Visual rendering of Cells
    Orbital cut showing abducent nerve with ciliary ganglion and oculomotor nerve — Stock Photo
    Orbital cut showing abducent nerve with ciliary ganglion and oculomotor nerve
    Abstract artwork of human nerve cell structure. — Stock Photo
    Abstract artwork of human nerve cell structure.
    Abstract colored illustration of blue human nerve cell on light background. — Stock Photo
    Abstract colored illustration of blue human nerve cell on light background.
    Colored illustration of nerve cell on black background. — Stock Photo
    Colored illustration of nerve cell on black background.
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria. — Stock Photo
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria.
    Human brain cross-section — Stock Photo
    Human brain cross-section
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Cell division process — Stock Photo
    Cell division process
    Illustration of blue stem cell on plain background. — Stock Photo
    Illustration of blue stem cell on plain background.
    Structure of animal cell — Stock Photo
    Structure of animal cell
    Caudate nucleus, computer illustration. — Stock Photo
    Caudate nucleus, computer illustration.
    Illustration of a neutrophil. — Stock Photo
    Illustration of a neutrophil.
    Caudate nucleus of the brain, computer illustration — Stock Photo
    Caudate nucleus of the brain, computer illustration
    Nerve cell with pink colored axon on blue background, digital illustration. — Stock Photo
    Nerve cell with pink colored axon on blue background, digital illustration.
    Illustration of transparent stem cell on blue background. — Stock Photo
    Illustration of transparent stem cell on blue background.
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Skeletal muscle structure — Stock Photo
    Skeletal muscle structure
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Adipose tissue composed of adipocytes — Stock Photo
    Adipose tissue composed of adipocytes
    Abstract animal cells, digital illustration. — Stock Photo
    Abstract animal cells, digital illustration.
    Illustration of yellow stem cell on blue background. — Stock Photo
    Illustration of yellow stem cell on blue background.
    Illustration of antibodies attacking influenza virus. — Stock Photo
    Illustration of antibodies attacking influenza virus.
    Fat cells, computer illustration — Stock Photo
    Fat cells, computer illustration
    Animal cell with mitochondria, digital illustration. — Stock Photo
    Animal cell with mitochondria, digital illustration.
    3d rendered illustration of human nerve cell on black background. — Stock Photo
    3d rendered illustration of human nerve cell on black background.
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs — Stock Photo
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs
    Digital illustration of human nerve cell with dendrites. — Stock Photo
    Digital illustration of human nerve cell with dendrites.
    Influenza viruses and host cell — Stock Photo
    Influenza viruses and host cell
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Embryonic stem cells, illustration. — Stock Photo
    Embryonic stem cells, illustration.
    Neutrophil is a granulocyte, a part of the innate immune system. — Stock Photo
    Neutrophil is a granulocyte, a part of the innate immune system.
    Magnified digital illustration of water bear. — Stock Photo
    Magnified digital illustration of water bear.
    Fallopian tube, TEM — Stock Photo
    Fallopian tube, TEM
    Yellow colored nerve cell on dark background, digital illustration. — Stock Photo
    Yellow colored nerve cell on dark background, digital illustration.
    Visual rendering of Animal cells — Stock Photo
    Visual rendering of Animal cells