En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
2896894 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Woodland skipper butterfly compound eye — Stock Photo
    Woodland skipper butterfly compound eye
    Dense connective tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Dense connective tissue, coloured scanning electron micrograph (SEM).
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Blade of grass with a serrated edge — Stock Photo
    Blade of grass with a serrated edge
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Human hair Caucasian brunette, coloured scanning electron micrograph. — Stock Photo
    Human hair Caucasian brunette, coloured scanning electron micrograph.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Human hair, coloured scanning electron micrograph (SEM). — Stock Photo
    Human hair, coloured scanning electron micrograph (SEM).
    Colored scanning electron micrograph of anthrax gram-positive, rod-shaped bacteria known as Bacillus anthracis. — Stock Photo
    Colored scanning electron micrograph of anthrax gram-positive, rod-shaped bacteria known as Bacillus anthracis.
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum. — Stock Photo
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum.
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    Coloured scanning electron micrograph of 293T cell in early stage of programmed apoptosis cell death. — Stock Photo
    Coloured scanning electron micrograph of 293T cell in early stage of programmed apoptosis cell death.
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Scanning electron micrograph of dermestid beetle head. — Stock Photo
    Scanning electron micrograph of dermestid beetle head.
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Cat flea head — Stock Photo
    Cat flea head
    Dividing prostate gland cancer cells, colored scanning electron micrograph. — Stock Photo
    Dividing prostate gland cancer cells, colored scanning electron micrograph.
    Eyelash follicle, coloured scanning electron micrograph (SEM). — Stock Photo
    Eyelash follicle, coloured scanning electron micrograph (SEM).
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot — Stock Photo
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot
    Marine planktonic unicellular alga — Stock Photo
    Marine planktonic unicellular alga
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Micrograph of house fly — Stock Photo
    Micrograph of house fly
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood — Stock Photo
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Colored scanning electron micrograph showing urethral epithelium of urethra. — Stock Photo
    Colored scanning electron micrograph showing urethral epithelium of urethra.
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Male sex cell — Stock Photo
    Male sex cell
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus. — Stock Photo
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus.
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Tendon, coloured scanning electron micrograph showing bundles of collagen fibres. — Stock Photo
    Tendon, coloured scanning electron micrograph showing bundles of collagen fibres.
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone — Stock Photo
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone
    Centric fossil diatom frustule — Stock Photo
    Centric fossil diatom frustule
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Scanning electron micrograph of Brevibacteria on human feet causing odour. — Stock Photo
    Scanning electron micrograph of Brevibacteria on human feet causing odour.
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans — Stock Photo
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye