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    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle
    Appendix showing appendicitis — Stock Photo
    Appendix showing appendicitis
    Bird bone tissue — Stock Photo
    Bird bone tissue
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Ophthalmologist performing eye surgery on female patient in clinic. — Stock Photo
    Ophthalmologist performing eye surgery on female patient in clinic.
    Young female scientist with microscope in laboratory. — Stock Photo
    Young female scientist with microscope in laboratory.
    Salivary gland. Light micrograph (LM) of a sectioned gland. The submandibular glands (also called sublingual) are bilateral salivary glands located in the face — Stock Photo
    Salivary gland. Light micrograph (LM) of a sectioned gland. The submandibular glands (also called sublingual) are bilateral salivary glands located in the face
    Male scientist using microscope in laboratory — Stock Photo
    Male scientist using microscope in laboratory
    Biological samples in Petri dishes and microscope on laboratory table. — Stock Photo
    Biological samples in Petri dishes and microscope on laboratory table.
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    College students using microscope conducting scientific experiment in laboratory — Stock Photo
    College students using microscope conducting scientific experiment in laboratory
    Marjoram (Origanum vilgare) leaf surface, coloured scanning electron micrograph (SEM). — Stock Photo
    Marjoram (Origanum vilgare) leaf surface, coloured scanning electron micrograph (SEM).
    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
    Male patient having eye examination — Stock Photo
    Male patient having eye examination
    Close-up of microcentrifuge tubes with biologist in background. — Stock Photo
    Close-up of microcentrifuge tubes with biologist in background.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Stomach lining. Coloured light micrograph (LM) of the stomach. The lumen is at top (white). The surface of the mucosa consists of simple columnar cells that secrete mucus — Stock Photo
    Stomach lining. Coloured light micrograph (LM) of the stomach. The lumen is at top (white). The surface of the mucosa consists of simple columnar cells that secrete mucus
    Female archaeologist looking at ancient tooth root in microscope slide in laboratory. — Stock Photo
    Female archaeologist looking at ancient tooth root in microscope slide in laboratory.
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Kidney with acute nephritis — Stock Photo
    Kidney with acute nephritis
    College students conducting scientific experiment in science laboratory classroom — Stock Photo
    College students conducting scientific experiment in science laboratory classroom
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Microscope and pile on Petri dishes in laboratory on blue background. — Stock Photo
    Microscope and pile on Petri dishes in laboratory on blue background.
    Female scientist looking in microscope in in vitro fertilisation laboratory. — Stock Photo
    Female scientist looking in microscope in in vitro fertilisation laboratory.
    Bifidobacterium bacteria, computer illustration. Bifidobacteria are Gram-positive anaerobic bacteria that live in gastrointestinal tract, vagina and mouth — Stock Photo
    Bifidobacterium bacteria, computer illustration. Bifidobacteria are Gram-positive anaerobic bacteria that live in gastrointestinal tract, vagina and mouth
    Blood clot structure — Stock Photo
    Blood clot structure
    Focused boy student reading textbook at microscope in laboratory classroom — Stock Photo
    Focused boy student reading textbook at microscope in laboratory classroom
    Examining petri dish under microscope. — Stock Photo
    Examining petri dish under microscope.
    University students using digital tablet while doing experiment on microscope in laboratory at college — Stock Photo
    University students using digital tablet while doing experiment on microscope in laboratory at college
    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
    Girl student using microscope in classroom — Stock Photo
    Girl student using microscope in classroom
    Test tubes and Petri dishes in pathogenic laboratory. — Stock Photo
    Test tubes and Petri dishes in pathogenic laboratory.
    Young female scientist viewing microscope during research. — Stock Photo
    Young female scientist viewing microscope during research.
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    Magnified digital illustration of human cell cross-section. — Stock Photo
    Magnified digital illustration of human cell cross-section.
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Omentum fold of peritoneal membrane — Stock Photo
    Omentum fold of peritoneal membrane
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Female scientist holding blood sample by microscope in laboratory. — Stock Photo
    Female scientist holding blood sample by microscope in laboratory.
    Girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student using microscope, conducting scientific experiment in laboratory classroom
    Adult female doctor in surgical uniform and sterile mask looking away while sitting in clinic — Stock Photo
    Adult female doctor in surgical uniform and sterile mask looking away while sitting in clinic
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Young female student using microscope in lab — Stock Photo
    Young female student using microscope in lab
    Longitudinal section through smooth muscle — Stock Photo
    Longitudinal section through smooth muscle
    Little boy looking at bug under microscope — Stock Photo
    Little boy looking at bug under microscope
    Female scientists working in laboratory with microscope. — Stock Photo
    Female scientists working in laboratory with microscope.
    Ophthalmologist performing eye surgery on female patient in clinic. — Stock Photo
    Ophthalmologist performing eye surgery on female patient in clinic.
    Light micrograph (bottom left) and computer illustration (top right) of the lining of the stomach, known as the mucosa. — Stock Photo
    Light micrograph (bottom left) and computer illustration (top right) of the lining of the stomach, known as the mucosa.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Scanning electron microscopy of DNA molecules and red and white blood cells. — Stock Photo
    Scanning electron microscopy of DNA molecules and red and white blood cells.
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Male teacher and girl students conducting scientific experiment at microscope and laptop in laboratory classroom — Stock Photo
    Male teacher and girl students conducting scientific experiment at microscope and laptop in laboratory classroom
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Cropped view of scientist hands pipetting sample for biological research. — Stock Photo
    Cropped view of scientist hands pipetting sample for biological research.
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules