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    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree. — Stock Photo
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree.
    Optician using slit lamp for eye examination preteen girl. — Stock Photo
    Optician using slit lamp for eye examination preteen girl.
    Scientist working in laboratory and placing microscope slide on stage. — Stock Photo
    Scientist working in laboratory and placing microscope slide on stage.
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs — Stock Photo
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs
    Cross-section through a cotton stem — Stock Photo
    Cross-section through a cotton stem
    Coloured scanning electron micrograph (SEM) of sensory hair cells in the cochlea of the inner ear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of sensory hair cells in the cochlea of the inner ear.
    Stick insect foot — Stock Photo
    Stick insect foot
    Light micrograph of Aspergillus sp. Fungus. — Stock Photo
    Light micrograph of Aspergillus sp. Fungus.
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Male scientist examining cultures in petri dish. — Stock Photo
    Male scientist examining cultures in petri dish.
    Light micrograph (LM) of a section through the fingertip. — Stock Photo
    Light micrograph (LM) of a section through the fingertip.
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Magnified digital illustration of human cell cross-section. — Stock Photo
    Magnified digital illustration of human cell cross-section.
    Light micrograph of onion (Allium cepa) root tip cells undergoing mitosis (nuclear division). — Stock Photo
    Light micrograph of onion (Allium cepa) root tip cells undergoing mitosis (nuclear division).
    Optician using slit lamp for eye examination preteen girl. — Stock Photo
    Optician using slit lamp for eye examination preteen girl.
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink). — Stock Photo
    Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink).
    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.
    Close-up of hand in glove adjusting microscope slide. — Stock Photo
    Close-up of hand in glove adjusting microscope slide.
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Hair follicles structure — Stock Photo
    Hair follicles structure
    Broom stem. Light micrograph (LM) of transverse section through stem of common broom (Salicornia europaea) plant. Broom is drought plant (xerophyte) with ribbed stems and branches to increase area for photosynthesis — Stock Photo
    Broom stem. Light micrograph (LM) of transverse section through stem of common broom (Salicornia europaea) plant. Broom is drought plant (xerophyte) with ribbed stems and branches to increase area for photosynthesis
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Close-up of slide on light microscope stage. — Stock Photo
    Close-up of slide on light microscope stage.
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab. — Stock Photo
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab.
    Microbiologist inspecting bacteria growth with light microscope. — Stock Photo
    Microbiologist inspecting bacteria growth with light microscope.
    Closeup of magnified yellow striped eye on head of exotic fly — Stock Photo
    Closeup of magnified yellow striped eye on head of exotic fly
    Pancreatic cancer cells — Stock Photo
    Pancreatic cancer cells
    Side view of orange fluffy flying incest with brown antennae and ornamental large eyes — Stock Photo
    Side view of orange fluffy flying incest with brown antennae and ornamental large eyes
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Colored scanning electron micrograph showing urethral epithelium of urethra. — Stock Photo
    Colored scanning electron micrograph showing urethral epithelium of urethra.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Female teacher and girl students using microscope and laptop, conducting scientific experiment in laboratory classroom — Stock Photo
    Female teacher and girl students using microscope and laptop, conducting scientific experiment in laboratory classroom
    Female students researching sample in laboratory. — Stock Photo
    Female students researching sample in laboratory.
    Schoolboy using glassware and equipment in school laboratory. — Stock Photo
    Schoolboy using glassware and equipment in school laboratory.
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid — Stock Photo
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid
    Illustration of Nipah viruses binding to receptors on human cells, an initial stage of Nipah infection. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore — Stock Photo
    Illustration of Nipah viruses binding to receptors on human cells, an initial stage of Nipah infection. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore
    Students in chemistery science class — Stock Photo
    Students in chemistery science class
    Male scientist doing medical testing of sample under microscope. — Stock Photo
    Male scientist doing medical testing of sample under microscope.
    Microbiologist pipetting into petri dish in laboratory. — Stock Photo
    Microbiologist pipetting into petri dish in laboratory.
    Osteoblasts. Colored transmission electron micrograph (TEM) of osteoblasts, bone-producing cells (purple and pink). They contain rough endoplasmic reticulum (RER), which produces, modifies and transports proteins, and nucleus — Stock Photo
    Osteoblasts. Colored transmission electron micrograph (TEM) of osteoblasts, bone-producing cells (purple and pink). They contain rough endoplasmic reticulum (RER), which produces, modifies and transports proteins, and nucleus
    Scorpion fly foot — Stock Photo
    Scorpion fly foot
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (pink) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (pink)
    Lily stem. Light micrograph(LM) of section through part of lily (Lilium) stem. Thin outer epidermis surrounds layer of cortex. At center is pith, which contains numerous vascular bundles (yellow) — Stock Photo
    Lily stem. Light micrograph(LM) of section through part of lily (Lilium) stem. Thin outer epidermis surrounds layer of cortex. At center is pith, which contains numerous vascular bundles (yellow)
    Adult female doctor in surgical uniform and sterile mask looking at camera while sitting in clinic — Stock Photo
    Adult female doctor in surgical uniform and sterile mask looking at camera while sitting in clinic
    Microbiologist using light microscope while holding petri dish in lab. — Stock Photo
    Microbiologist using light microscope while holding petri dish in lab.
    Red blood cells — Stock Photo
    Red blood cells
    Microbiologist taking bacterial sample on microscope slide. — Stock Photo
    Microbiologist taking bacterial sample on microscope slide.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Girl homeschooling looking under microscope — Stock Photo
    Girl homeschooling looking under microscope