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    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Bird bone tissue — Stock Photo
    Bird bone tissue
    From above doctor in medical mask and uniform injecting ovum on Petri dish and examining cell through microscope in laboratory of modern fertility clinic — Stock Photo
    From above doctor in medical mask and uniform injecting ovum on Petri dish and examining cell through microscope in laboratory of modern fertility clinic
    Scientist viewing medical sample on glass slide under microscope in laboratory. — Stock Photo
    Scientist viewing medical sample on glass slide under microscope in laboratory.
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is blue. Mitochondria (cyan)) in the cell's cytoplasm produce energy for the cell. Lysosomes (red) contain enzymes for digesting foreign particles. M — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is blue. Mitochondria (cyan)) in the cell's cytoplasm produce energy for the cell. Lysosomes (red) contain enzymes for digesting foreign particles. M
    Stick insect foot — Stock Photo
    Stick insect foot
    Developing pig eye — Stock Photo
    Developing pig eye
    Female dentist examining patient in clinic — Stock Photo
    Female dentist examining patient in clinic
    Section through a peanut stem — Stock Photo
    Section through a peanut stem
    Adult female doctor in sterile mask and ornamental medical cap looking through surgical microscope against crop coworker in hospital — Stock Photo
    Adult female doctor in sterile mask and ornamental medical cap looking through surgical microscope against crop coworker in hospital
    Biotechnology engineer inspecting cell culture flask. — Stock Photo
    Biotechnology engineer inspecting cell culture flask.
    Scientists holding multiwell plate with chemical solution for analytical testing in laboratory. — Stock Photo
    Scientists holding multiwell plate with chemical solution for analytical testing in laboratory.
    Laughing girl student at microscope in laboratory classroom — Stock Photo
    Laughing girl student at microscope in laboratory classroom
    Scientist viewing sample on glass slide before light microscope. — Stock Photo
    Scientist viewing sample on glass slide before light microscope.
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Male sex cell — Stock Photo
    Male sex cell
    Medical researcher examining a new medicine. science student dressed in white lab coat looking through a microscope. — Stock Photo
    Medical researcher examining a new medicine. science student dressed in white lab coat looking through a microscope.
    Male teacher and boy student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and boy student using microscope, conducting scientific experiment in laboratory classroom
    Retina. Light micrograph of a section through the retina showing its 10 layers. — Stock Photo
    Retina. Light micrograph of a section through the retina showing its 10 layers.
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Young male student using microscope in lab — Stock Photo
    Young male student using microscope in lab
    Sago palm leaf — Stock Photo
    Sago palm leaf
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells — Stock Photo
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells
    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.
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Scanning electron micrograph of dermestid beetle head. — Stock Photo
    Scanning electron micrograph of dermestid beetle head.
    Attentive adult female medic in disposable mask and ornamental cap working in clinic with surgical microscope — Stock Photo
    Attentive adult female medic in disposable mask and ornamental cap working in clinic with surgical microscope
    Girl doing experiment on microscope at home — Stock Photo
    Girl doing experiment on microscope at home
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Magnified digital illustration of 4 cell stage embryo. — Stock Photo
    Magnified digital illustration of 4 cell stage embryo.
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Adult female doctor in sterile mask and ornamental medical cap looking through surgical microscope against crop coworker in hospital — Stock Photo
    Adult female doctor in sterile mask and ornamental medical cap looking through surgical microscope against crop coworker in hospital
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Goldsmith examining diamond through loupe in workshop — Stock Photo
    Goldsmith examining diamond through loupe in workshop
    Pancreatic islet cells. Colored transmission electron micrograph (TEM) of a section through pancreas tissue, showing cells known as Islets of Langerhans. These cells occur in distinct ovoid clusters numbering about 1 million in humans — Stock Photo
    Pancreatic islet cells. Colored transmission electron micrograph (TEM) of a section through pancreas tissue, showing cells known as Islets of Langerhans. These cells occur in distinct ovoid clusters numbering about 1 million in humans
    Green grass growing in plastic cups on laboratory table with microscope for agriculture research. — Stock Photo
    Green grass growing in plastic cups on laboratory table with microscope for agriculture research.
    Varicella zoster virus particle — Stock Photo
    Varicella zoster virus particle
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear. — Stock Photo
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear.
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Colored scanning electron micrograph of osteoblast osteocyte bone cell. — Stock Photo
    Colored scanning electron micrograph of osteoblast osteocyte bone cell.
    Light micrograph of a cross sections of monocot stem. — Stock Photo
    Light micrograph of a cross sections of monocot stem.
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Male scientist using microscope in laboratory — Stock Photo
    Male scientist using microscope in 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
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( blue) is an insulating fatty layer that surrounds the myelinated nerve fibres (pink) — Stock Photo
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( blue) is an insulating fatty layer that surrounds the myelinated nerve fibres (pink)
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Young male researcher looking at sample under microscope. — Stock Photo
    Young male researcher looking at sample under microscope.
    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
    Close-up of female doctor examining microscope in laboratory — Stock Photo
    Close-up of female doctor examining microscope in laboratory
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Back view of unrecognizable female doctor looking through modern microscope while at sample while working in modern clinic — Stock Photo
    Back view of unrecognizable female doctor looking through modern microscope while at sample while working in modern clinic
    Teenage boy experimenting on microscope in laboratory at university — Stock Photo
    Teenage boy experimenting on microscope in laboratory at university
    Light micrograph of shoot meristem. This is the tissue in most plants containing undifferentiated cells. Meristematic cells give rise to various organs of a plant and are responsible for growth. — Stock Photo
    Light micrograph of shoot meristem. This is the tissue in most plants containing undifferentiated cells. Meristematic cells give rise to various organs of a plant and are responsible for growth.
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Fractured pancreas tissue — Stock Photo
    Fractured pancreas tissue
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Side view of crop anonymous male doctor in respiratory mask using professional equipment with diagrams on display near microscope in lab — Stock Photo
    Side view of crop anonymous male doctor in respiratory mask using professional equipment with diagrams on display near microscope in lab