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    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
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant — Stock Photo
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample. — Stock Photo
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Microscope and pile on Petri dishes in laboratory on blue background. — Stock Photo
    Microscope and pile on Petri dishes in laboratory on blue background.
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear.
    Hair follicles of human skin — Stock Photo
    Hair follicles of human skin
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample. — Stock Photo
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample.
    Teacher assisting students in experiment at laboratory — Stock Photo
    Teacher assisting students in experiment at laboratory
    Closeup of tween girl looking at bug under microscope — Stock Photo
    Closeup of tween girl looking at bug under microscope
    Asparagus beetle head — Stock Photo
    Asparagus beetle head
    Varicella zoster virus particle — Stock Photo
    Varicella zoster virus particle
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats — Stock Photo
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats
    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.
    Light micrograph (LM) of longitudinal section through a fetal finger tip to show the developing nail. — Stock Photo
    Light micrograph (LM) of longitudinal section through a fetal finger tip to show the developing nail.
    Female teacher and girl student conducting scientific experiment at microscope in laboratory — Stock Photo
    Female teacher and girl student conducting scientific experiment at microscope in laboratory
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Appendix showing appendicitis — Stock Photo
    Appendix showing appendicitis
    Magnified digital illustration of fertilisation of egg cell. — Stock Photo
    Magnified digital illustration of fertilisation of egg cell.
    Cat flea head — Stock Photo
    Cat flea head
    Lab chemist placing a sample slide on a microscope stage — Stock Photo
    Lab chemist placing a sample slide on a microscope stage
    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
    Used surgical swab — Stock Photo
    Used surgical swab
    Magnified digital illustration of implanted blastocyst cell. — Stock Photo
    Magnified digital illustration of implanted blastocyst cell.
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Female scientist using microscope. — Stock Photo
    Female scientist using microscope.
    University students doing experiment on microscope in laboratory at college — Stock Photo
    University students doing experiment on microscope in laboratory at college
    Grandmother helping granddaughter with homework in kitchen at home — Stock Photo
    Grandmother helping granddaughter with homework in kitchen at home
    Male scientist using microscope, close-up. — Stock Photo
    Male scientist using microscope, close-up.
    Hematology analyzer with graphs on monitor near microscope and desktop computer with images on screen in lab — Stock Photo
    Hematology analyzer with graphs on monitor near microscope and desktop computer with images on screen in lab
    Male patient having eye examination in clinic — Stock Photo
    Male patient having eye examination in clinic
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Side view of crop anonymous male medic in uniform and mask using microscope while working in lab — Stock Photo
    Side view of crop anonymous male medic in uniform and mask using microscope while working in lab
    Close-up of scientist hand doing chemistry research in laboratory. — Stock Photo
    Close-up of scientist hand doing chemistry research in laboratory.
    Male scientist using microscope in laboratory — Stock Photo
    Male scientist using microscope in laboratory
    Osteoporotic bone abnormality — Stock Photo
    Osteoporotic bone abnormality
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Female researcher using light microscope, close-up. — Stock Photo
    Female researcher using light microscope, close-up.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Petri dishes with culture in laboratory, microbiology research concept. — Stock Photo
    Petri dishes with culture in laboratory, microbiology research concept.
    Male engineer using stereo microscope for inspecting manufactured component during quality control process. — Stock Photo
    Male engineer using stereo microscope for inspecting manufactured component during quality control process.
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Female doctor examining a microscope in a hospital. — Stock Photo
    Female doctor examining a microscope in a hospital.
    Heart strings strings — Stock Photo
    Heart strings strings
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Male scientist using microscope in laboratory — Stock Photo
    Male scientist using microscope in laboratory
    Female student using microscope while practicing experiment in lab — Stock Photo
    Female student using microscope while practicing experiment in lab
    Nurses with clipboard examining magnified microscope slide on computer monitor — Stock Photo
    Nurses with clipboard examining magnified microscope slide on computer monitor
    College students using microscope while practicing experiment in lab — Stock Photo
    College students using microscope while practicing experiment in lab
    Microvilli from the small intestine — Stock Photo
    Microvilli from the small intestine
    Microbiologist using light microscope in laboratory — Stock Photo
    Microbiologist using light microscope in laboratory
    Nipah virus in lungs, conceptual computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus in lungs, conceptual computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Gall bladder lining — Stock Photo
    Gall bladder lining
    Light micrograph of red blood cells (erythrocytes, red) in a blood vessel. — Stock Photo
    Light micrograph of red blood cells (erythrocytes, red) in a blood vessel.