En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
21502245 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Hands of scientist using syringe and petri dish — Stock Photo
    Hands of scientist using syringe and petri dish
    Young college students practicing chemistry experiment in lab — Stock Photo
    Young college students practicing chemistry experiment in lab
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Scientist studying small device in laboratory — Stock Photo
    Scientist studying small device in laboratory
    Female scientist taking testing tube from tray for scientific research. — Stock Photo
    Female scientist taking testing tube from tray for scientific research.
    Hand of laboratory technician with micro pipette sampling into test tube. — Stock Photo
    Hand of laboratory technician with micro pipette sampling into test tube.
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Human intestine and close-up of Campylobacter jejuni bacteria causing Campylobacteriosis, conceptual illustration. — Stock Photo
    Human intestine and close-up of Campylobacter jejuni bacteria causing Campylobacteriosis, conceptual illustration.
    Beans and pulses in test tubes. — Stock Photo
    Beans and pulses in test tubes.
    Human hand bones structure — Stock Photo
    Human hand bones structure
    Lung bronchi in relation to other internal organs — Stock Photo
    Lung bronchi in relation to other internal organs
    Prosthetic heart valves — Stock Photo
    Prosthetic heart valves
    Three test tubes with various liquids in tube rack. — Stock Photo
    Three test tubes with various liquids in tube rack.
    Human x chromosomes — Stock Photo
    Human x chromosomes
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Swallowed coins in the oesophagus — Stock Photo
    Swallowed coins in the oesophagus
    Human embryonic stem cells in Petri dish, digital illustration. — Stock Photo
    Human embryonic stem cells in Petri dish, digital illustration.
    Foreign object in rectum — Stock Photo
    Foreign object in rectum
    Female chemist setting up vacuum pump in laboratory, close-up — Stock Photo
    Female chemist setting up vacuum pump in laboratory, close-up
    Human hip bone structure — Stock Photo
    Human hip bone structure
    Dust mite consuming skin flake — Stock Photo
    Dust mite consuming skin flake
    Inflammation of the human spine — Stock Photo
    Inflammation of the human spine
    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.
    Close-up of person hand holding petri dish with liquid for biological research. — Stock Photo
    Close-up of person hand holding petri dish with liquid for biological research.
    Dried plant covered by white frost outdoors. — Stock Photo
    Dried plant covered by white frost outdoors.
    Lab technician picking up samples — Stock Photo
    Lab technician picking up samples
    Worker talking on mobile phone while using laptop in glass factory — Stock Photo
    Worker talking on mobile phone while using laptop in glass factory
    Butterfly compound eyes — Stock Photo
    Butterfly compound eyes
    Destruction of cancer cell — Stock Photo
    Destruction of cancer cell
    Bacillus anthracis bacteria — Stock Photo
    Bacillus anthracis bacteria
    View of Fetus at 15 weeks — Stock Photo
    View of Fetus at 15 weeks
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Flu virus particle structure — Stock Photo
    Flu virus particle structure
    Science professor and college students using microscopes in science laboratory classroom — Stock Photo
    Science professor and college students using microscopes in science laboratory classroom
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Modern digital mammography unit at clinic — Stock Photo
    Modern digital mammography unit at clinic
    Giardia lamblia single-celled protozoan parasites in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasites in human duodenum, digital artwork.
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Organs comprising male reproductive system — Stock Photo
    Organs comprising male reproductive system
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Planet Earth in outer space with Moon, atmosphere and sunlight. — Stock Photo
    Planet Earth in outer space with Moon, atmosphere and sunlight.
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Patient with diverticulitis — Stock Photo
    Patient with diverticulitis
    Healthy small intestines — Stock Photo
    Healthy small intestines
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Male worker using laptop in glass factory — Stock Photo
    Male worker using laptop in glass factory
    Marine pennate diatom frustule — Stock Photo
    Marine pennate diatom frustule
    Abstract human immunodeficiency virus structure, scientific digital informative illustration. — Stock Photo
    Abstract human immunodeficiency virus structure, scientific digital informative illustration.
    Structure of animal cell — Stock Photo
    Structure of animal cell
    Laboratory solutions and glassware on table. — Stock Photo
    Laboratory solutions and glassware on table.
    Swallowed coins in the oesophagus — Stock Photo
    Swallowed coins in the oesophagus
    Shoulder joint pain and discomfort — Stock Photo
    Shoulder joint pain and discomfort
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Close-up of scientist hand placing samples in concentrator. — Stock Photo
    Close-up of scientist hand placing samples in concentrator.
    Human brain cross-section — Stock Photo
    Human brain cross-section
    Bacillus anthracis bacteria — Stock Photo
    Bacillus anthracis bacteria
    Parasitic honeybee mite — Stock Photo
    Parasitic honeybee mite
    Brain anatomy showing blood supply system — Stock Photo
    Brain anatomy showing blood supply system