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3207 results

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    Lysosome fusing with autophagosome — Stock Photo
    Lysosome fusing with autophagosome
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Human immunodeficiency virus infection — Stock Photo
    Human immunodeficiency virus infection
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Fungal cells revealing sporangium with spores — Stock Photo
    Fungal cells revealing sporangium with spores
    Healthy Red blood cells — Stock Photo
    Healthy Red blood cells
    Red blood cells — Stock Photo
    Red blood cells
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Trypanosoma brucei protozoan — Stock Photo
    Trypanosoma brucei protozoan
    Artery partially blocked by an atheroma — Stock Photo
    Artery partially blocked by an atheroma
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Stages of autophagy mechanism — Stock Photo
    Stages of autophagy mechanism
    Cancer cells dividing — Stock Photo
    Cancer cells dividing
    Red blood cells — Stock Photo
    Red blood cells
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Red blood cells — Stock Photo
    Red blood cells
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Red blood cells — Stock Photo
    Red blood cells
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Rendering of gastric ulcer — Stock Photo
    Rendering of gastric ulcer
    Sickle cell anemia — Stock Photo
    Sickle cell anemia
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Complex mucosal folding of seminal vesicle — Stock Photo
    Complex mucosal folding of seminal vesicle
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Immune response to cancer — Stock Photo
    Immune response to cancer
    Virus particles spreading through blood stream — Stock Photo
    Virus particles spreading through blood stream
    White blood cell — Stock Photo
    White blood cell
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Human embryo with four cells — Stock Photo
    Human embryo with four cells
    Neural network showing synaptic terminals — Stock Photo
    Neural network showing synaptic terminals
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Lymphocytes attacking a cancer cell — Stock Photo
    Lymphocytes attacking a cancer cell
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Artwork of cancerous cell — Stock Photo
    Artwork of cancerous cell
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Rendering of gastric ulcer — Stock Photo
    Rendering of gastric ulcer
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Blood clot structure — Stock Photo
    Blood clot structure
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Normal sperm cells — Stock Photo
    Normal sperm cells