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20933970 results

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    Parasitic tick biting skin — Stock Photo
    Parasitic tick biting skin
    Adult male skeleton — Stock Photo
    Adult male skeleton
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Close-up male scientist lab machine in laboratory — Stock Photo
    Close-up male scientist lab machine in laboratory
    Female scientist in face mask and glove examining liquid in laboratory — Stock Photo
    Female scientist in face mask and glove examining liquid in laboratory
    Female college student looking at chemicals in beaker on table — Stock Photo
    Female college student looking at chemicals in beaker on table
    Multichannel pipette and red well plate in laboratory. — Stock Photo
    Multichannel pipette and red well plate in laboratory.
    Lysosome fusing with autophagosome — Stock Photo
    Lysosome fusing with autophagosome
    Illustration of yellow abscesses on kidney and close-up of Enterococcus bacteria. — Stock Photo
    Illustration of yellow abscesses on kidney and close-up of Enterococcus bacteria.
    Side view of scientist providing research and operating with tablet on wall of laboratory. — Stock Photo
    Side view of scientist providing research and operating with tablet on wall of laboratory.
    X-ray of dislocated shoulder — Stock Photo
    X-ray of dislocated shoulder
    DNA molecule structure — Stock Photo
    DNA molecule structure
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Male scientist in face mask holding syringe. — Stock Photo
    Male scientist in face mask holding syringe.
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, 3D illustration. — Stock Photo
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, 3D illustration.
    Fertilization of healthy human egg — Stock Photo
    Fertilization of healthy human egg
    Human sperm and egg — Stock Photo
    Human sperm and egg
    Abstract illustration of nanostructure of metamaterial surface. — Stock Photo
    Abstract illustration of nanostructure of metamaterial surface.
    Conceptual illustration of piece of cake and magnification of bacteria of food-borne infection on white background. — Stock Photo
    Conceptual illustration of piece of cake and magnification of bacteria of food-borne infection on white background.
    Fertilization of healthy human egg — Stock Photo
    Fertilization of healthy human egg
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Still life of microscope on laboratory bench. — Stock Photo
    Still life of microscope on laboratory bench.
    Pain localized in knee joint — Stock Photo
    Pain localized in knee joint
    Close-up of beaker, test tube rack and clipboard on table — Stock Photo
    Close-up of beaker, test tube rack and clipboard on table
    Illustration of HIV virus particles in human blood. — Stock Photo
    Illustration of HIV virus particles in human blood.
    Digital illustration of cerebrospinal fluid and neutrophils with Neisseria meningitidis bacteria. — Stock Photo
    Digital illustration of cerebrospinal fluid and neutrophils with Neisseria meningitidis bacteria.
    Illustration of antibodies attacking influenza virus. — Stock Photo
    Illustration of antibodies attacking influenza virus.
    Close up of text tubes in rack at science lab — Stock Photo
    Close up of text tubes in rack at science lab
    Localization of pain in shoulder joint — Stock Photo
    Localization of pain in shoulder joint
    Mid section of male scientist experimenting in laboratory — Stock Photo
    Mid section of male scientist experimenting in laboratory
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Silver y moth caterpillar feeding on Honeysuckle leaf. — Stock Photo
    Silver y moth caterpillar feeding on Honeysuckle leaf.
    Hematology analyzer with graphs on monitor near microscope and desktop computer with images on screen in lab — Stock Photo
    Hematology analyzer with graphs on monitor near microscope and desktop computer with images on screen in lab
    Artery partially blocked by an atheroma — Stock Photo
    Artery partially blocked by an atheroma
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Male worker working in glass factory — Stock Photo
    Male worker working in glass factory
    Giant Polytene chromosomes — Stock Photo
    Giant Polytene chromosomes
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Scientists discussing sample in laboratory — Stock Photo
    Scientists discussing sample in laboratory
    Side view of male worker working in glass factory — Stock Photo
    Side view of male worker working in glass factory
    Stachybotrys fungus on black background, digital illustration. — Stock Photo
    Stachybotrys fungus on black background, digital illustration.
    Skeletal system and cartilage of adult human — Stock Photo
    Skeletal system and cartilage of adult human
    Human skeletal structure — Stock Photo
    Human skeletal structure
    Skeletal system and anatomy of adult human — Stock Photo
    Skeletal system and anatomy of adult human
    Close-up of drop of red liquid pipetted into multi-well sample tray. — Stock Photo
    Close-up of drop of red liquid pipetted into multi-well sample tray.
    Side view of female worker working in glass factory — Stock Photo
    Side view of female worker working in glass factory
    Students conducting scientific experiment in laboratory classroom — Stock Photo
    Students conducting scientific experiment in laboratory classroom
    Teenage female practicing chemistry experiment in lab — Stock Photo
    Teenage female practicing chemistry experiment in lab
    Painted lady butterfly — Stock Photo
    Painted lady butterfly
    Cladosporium fungi on white background, digital illustration. — Stock Photo
    Cladosporium fungi on white background, digital illustration.
    3d illustration of variety of different pollen grains. — Stock Photo
    3d illustration of variety of different pollen grains.
    Close-up of pipetting liquid into Eppendorf tubes. — Stock Photo
    Close-up of pipetting liquid into Eppendorf tubes.
    Overhead view of pipette in Pipetting plate in laboratory — Stock Photo
    Overhead view of pipette in Pipetting plate in laboratory
    Nanobot in bloodstream with red erythrocytes, digital illustration. — Stock Photo
    Nanobot in bloodstream with red erythrocytes, digital illustration.
    Life science technician using micropipette in laboratory. — Stock Photo
    Life science technician using micropipette in laboratory.
    Petri dishes stacked on blue background. — Stock Photo
    Petri dishes stacked on blue background.
    Gram-positive Nocardia bacteria — Stock Photo
    Gram-positive Nocardia bacteria
    Plant seedling in soil in Petri dish in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish in laboratory.
    Chemical flask arranged on lab machine in laboratory — Stock Photo
    Chemical flask arranged on lab machine in laboratory