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21851953 results

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    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Satellite view of Americas — Stock Photo
    Satellite view of Americas
    Healthy ankle joint — Stock Photo
    Healthy ankle joint
    Enterococcus bacteria colony — Stock Photo
    Enterococcus bacteria colony
    Solid phase extraction columns being placed on stand by technician. — Stock Photo
    Solid phase extraction columns being placed on stand by technician.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Scientist hand placing sample on slide under microscope. — Stock Photo
    Scientist hand placing sample on slide under microscope.
    Curious kids watching science experiment in science center — Stock Photo
    Curious kids watching science experiment in science center
    Scientist pouring liquid in steaming flask — Stock Photo
    Scientist pouring liquid in steaming flask
    Close up of metallic machinery in lab — Stock Photo
    Close up of metallic machinery in lab
    Adult male skeleton — Stock Photo
    Adult male skeleton
    Female Mosquito on human skin — Stock Photo
    Female Mosquito on human skin
    Entamoeba histolytica engulfing red blood cells — Stock Photo
    Entamoeba histolytica engulfing red blood cells
    Healthy ankle joint — Stock Photo
    Healthy ankle joint
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria. — Stock Photo
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria.
    Illustration of antibodies attacking influenza virus. — Stock Photo
    Illustration of antibodies attacking influenza virus.
    Summer Milky Way shining and clouds in night sky — Stock Photo
    Summer Milky Way shining and clouds in night sky
    Human esophagus and stomach — Stock Photo
    Human esophagus and stomach
    Digital artwork of green cancer cell on tissue surface. — Stock Photo
    Digital artwork of green cancer cell on tissue surface.
    3d illustration of cross-section showing structure of Earth, from core to crust. — Stock Photo
    3d illustration of cross-section showing structure of Earth, from core to crust.
    Scientist viewing results of genetic test on digital tablet. — Stock Photo
    Scientist viewing results of genetic test on digital tablet.
    Close-up of hands of scientist taking sample from culture in Petri dish. — Stock Photo
    Close-up of hands of scientist taking sample from culture in Petri dish.
    Seven-spot ladybird — Stock Photo
    Seven-spot ladybird
    Illustration of Earth and Moon showing large proportion of planet in darkness. — Stock Photo
    Illustration of Earth and Moon showing large proportion of planet in darkness.
    Fusarium fungus on black background, digital illustration. — Stock Photo
    Fusarium fungus on black background, digital illustration.
    Male worker working in glass factory — Stock Photo
    Male worker working in glass factory
    Skeletal system and large intestine — Stock Photo
    Skeletal system and large intestine
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection. — Stock Photo
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection.
    Cervical and thoracic spine regions — Stock Photo
    Cervical and thoracic spine regions
    Cell culture plate on white background. — Stock Photo
    Cell culture plate on white background.
    3d illustration of transparent cells with nuclei on purple background. — Stock Photo
    3d illustration of transparent cells with nuclei on purple background.
    Skeletal system of adult female — Stock Photo
    Skeletal system of adult female
    3d close-up illustration of few twisting ebola fever pathogens. — Stock Photo
    3d close-up illustration of few twisting ebola fever pathogens.
    Seaweed tablets and seaweed plants, studio shot. — Stock Photo
    Seaweed tablets and seaweed plants, studio shot.
    Female scientist in face mask at centrifuge in laboratory — Stock Photo
    Female scientist in face mask at centrifuge in laboratory
    Structure and anatomy of human teeth — Stock Photo
    Structure and anatomy of human teeth
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Hand in latex glove holding ear of wheat — Stock Photo
    Hand in latex glove holding ear of wheat
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Colored digital illustration of red cancer cells. — Stock Photo
    Colored digital illustration of red cancer cells.
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Parasitic amoeba engulfing red blood cells — Stock Photo
    Parasitic amoeba engulfing red blood cells
    Tissue culture labelled wells with pink fluid and gel nourishes. — Stock Photo
    Tissue culture labelled wells with pink fluid and gel nourishes.
    Side view of male scientist experimenting in laboratory — Stock Photo
    Side view of male scientist experimenting in laboratory
    Forensic DNA autoradiogram — Stock Photo
    Forensic DNA autoradiogram
    Portrait of male scientist with clipboard standing in lab — Stock Photo
    Portrait of male scientist with clipboard standing in lab
    Digital illustration of nanorobot carrying rod-shaped bacterium. — Stock Photo
    Digital illustration of nanorobot carrying rod-shaped bacterium.
    Human tooth being removed — Stock Photo
    Human tooth being removed
    Campylobacter jejuni bacteria with flagella, digital artwork. — Stock Photo
    Campylobacter jejuni bacteria with flagella, digital artwork.
    Illustration of illuminated red cancer cell on black background. — Stock Photo
    Illustration of illuminated red cancer cell on black background.
    Human brain cross-section — Stock Photo
    Human brain cross-section
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Female working at laptop with medical vials — Stock Photo
    Female working at laptop with medical vials
    Test tube with red lid on blue background. — Stock Photo
    Test tube with red lid on blue background.
    Female scientist in face mask and gloves working in laboratory — Stock Photo
    Female scientist in face mask and gloves working in laboratory
    Forensic scientist taking swab from blood-stained shirt as forensic evidence. — Stock Photo
    Forensic scientist taking swab from blood-stained shirt as forensic evidence.