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

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Parasitic trematode larva — Stock Photo
    Parasitic trematode larva
    Activated platelet from peripheral blood — Stock Photo
    Activated platelet from peripheral blood
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Hepatic bile duct infected with cocidian protozoa — Stock Photo
    Hepatic bile duct infected with cocidian protozoa
    Female nurse with clipboard looking at magnified microscope slide on computer monitor — Stock Photo
    Female nurse with clipboard looking at magnified microscope slide on computer monitor
    Coral polyps closeup shot — Stock Photo
    Coral polyps closeup shot
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Tiny shrimp on starfish in Lembeh Strait, Indonesia — Stock Photo
    Tiny shrimp on starfish in Lembeh Strait, Indonesia
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Ginger boy using light microscope on green grass. — Stock Photo
    Ginger boy using light microscope on green grass.
    Colored digital illustration of cancer cell. — Stock Photo
    Colored digital illustration of cancer cell.
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    Large eye of businessman behind magnifying glass — Stock Photo
    Large eye of businessman behind magnifying glass
    Male sex cell — Stock Photo
    Male sex cell
    Medical illustration of blastocyst beginning implanting in the wall of the uterus — Stock Photo
    Medical illustration of blastocyst beginning implanting in the wall of the uterus
    Fin and scales of scorpionfish closeup shot — Stock Photo
    Fin and scales of scorpionfish closeup shot
    Cardiac muscle showing a metastatic seminoma — Stock Photo
    Cardiac muscle showing a metastatic seminoma
    Medical ilustration of an appendix with appendicitis — Stock Photo
    Medical ilustration of an appendix with appendicitis
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Saltwater shrimp on bubble coral — Stock Photo
    Saltwater shrimp on bubble coral
    Mycobacterium smegmatis bacteria — Stock Photo
    Mycobacterium smegmatis bacteria
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body — Stock Photo
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Colorful scorpionfish closeup headshot — Stock Photo
    Colorful scorpionfish closeup headshot
    Common house dust mite — Stock Photo
    Common house dust mite
    Italy, Cicada on tree — Stock Photo
    Italy, Cicada on tree
    Male teacher and smiling girl student conducting scientific experiment at microscope in laboratory classroom — Stock Photo
    Male teacher and smiling girl student conducting scientific experiment at microscope in laboratory classroom
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Closeup yellow flying wasp folding legs and looking at camera with big green eyes — Stock Photo
    Closeup yellow flying wasp folding legs and looking at camera with big green eyes
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Digital artwork of purple cancer cell on tissue surface. — Stock Photo
    Digital artwork of purple cancer cell on tissue surface.
    Medical illustration of female breast anatomy — Stock Photo
    Medical illustration of female breast anatomy
    House dust mites — Stock Photo
    House dust mites
    Woman hand holding magnifying glass looking at butterflies — Stock Photo
    Woman hand holding magnifying glass looking at butterflies
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Illustration of dividing cancer cell on blue background. — Stock Photo
    Illustration of dividing cancer cell on blue background.
    Smiling male science teacher helping girl students conducting scientific experiment at microscope in laboratory — Stock Photo
    Smiling male science teacher helping girl students conducting scientific experiment at microscope in laboratory
    Closeup magnified part of black and brown ant with glossy head and legs — Stock Photo
    Closeup magnified part of black and brown ant with glossy head and legs
    Cropped view of engineer using stereo microscope for inspecting printed circuit board. — Stock Photo
    Cropped view of engineer using stereo microscope for inspecting printed circuit board.
    Colored digital illustration of red cancer cells. — Stock Photo
    Colored digital illustration of red cancer cells.
    Flu virus particle structure — Stock Photo
    Flu virus particle structure
    Zygote development 24-36 hours after fertilization — Stock Photo
    Zygote development 24-36 hours after fertilization
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Shrimp on bubble coral — Stock Photo
    Shrimp on bubble coral
    Closeup of magnified part of black and brown ant with glossy belly and legs — Stock Photo
    Closeup of magnified part of black and brown ant with glossy belly and legs
    Agriculture - Melon fly (Dacus cucurbitae) adult on a leaf. — Stock Photo
    Agriculture - Melon fly (Dacus cucurbitae) adult on a leaf.
    Colored digital illustration of cancer cell. — Stock Photo
    Colored digital illustration of cancer cell.
    Small polyps feeding — Stock Photo
    Small polyps feeding
    Glossodoris rufomarginatus nudibranch — Stock Photo
    Glossodoris rufomarginatus nudibranch
    Texture Macro Photography of Peacock ore (Chalcopyrite treated with acid) from Mexico; a copper ore — Stock Photo
    Texture Macro Photography of Peacock ore (Chalcopyrite treated with acid) from Mexico; a copper ore
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Closeup of magnified grey head of flying insect with round convex brown eyes — Stock Photo
    Closeup of magnified grey head of flying insect with round convex brown eyes
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    African trypanosomiasis parasitic infection in the red blood cells — Stock Photo
    African trypanosomiasis parasitic infection in the red blood cells
    Close up of microscope in laboratory — Stock Photo
    Close up of microscope in laboratory