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    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Closeup view of antipasti in sectioned dish — Stock Photo
    Closeup view of antipasti in sectioned dish
    Section through a wart — Stock Photo
    Section through a wart
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Young pine tree stem — Stock Photo
    Young pine tree stem
    Wall of a muscular artery — Stock Photo
    Wall of a muscular artery
    Degenerative foot deformation — Stock Photo
    Degenerative foot deformation
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    Parasitic tick feeding — Stock Photo
    Parasitic tick feeding
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Light micrograph (LM) of a section through sunflower(helianthus annuus) tissue showing spiral tracheids, a type of xylem. — Stock Photo
    Light micrograph (LM) of a section through sunflower(helianthus annuus) tissue showing spiral tracheids, a type of xylem.
    Squamous carcinoma of the skin — Stock Photo
    Squamous carcinoma of the skin
    Lily flower anther — Stock Photo
    Lily flower anther
    Coloured scanning electron micrograph of human cancellous spongy bone tissue. — Stock Photo
    Coloured scanning electron micrograph of human cancellous spongy bone tissue.
    Section through the cerebellum of the brain — Stock Photo
    Section through the cerebellum of the brain
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    Various beauty products and flowers in type case — Stock Photo
    Various beauty products and flowers in type case
    Illustration of human kidney and light micrograph of section with glomerulus. — Stock Photo
    Illustration of human kidney and light micrograph of section with glomerulus.
    Degenerative foot deformation, X-ray — Stock Photo
    Degenerative foot deformation, X-ray
    Appendix showing appendicitis — Stock Photo
    Appendix showing appendicitis
    Parotid salivary gland — Stock Photo
    Parotid salivary gland
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    Total hip replacement, — Stock Photo
    Total hip replacement,
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Closeup view of carton egg box — Stock Photo
    Closeup view of carton egg box
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    Coloured scanning electron micrograph of human cancellous spongy bone tissue. — Stock Photo
    Coloured scanning electron micrograph of human cancellous spongy bone tissue.
    Complex mucosal folding of seminal vesicle — Stock Photo
    Complex mucosal folding of seminal vesicle
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Odontoblasts and the dental pulp — Stock Photo
    Odontoblasts and the dental pulp
    Liver cancer. Coloured axial computed tomography (CT) scan through the abdomen of an 80-year-old man with cancer of the liver. The liver is at center left — Stock Photo
    Liver cancer. Coloured axial computed tomography (CT) scan through the abdomen of an 80-year-old man with cancer of the liver. The liver is at center left
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus. — Stock Photo
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus.
    Colored X-ray of section through thoracic spine of senior male patient with ankylosing spondylitis with severe degeneration of lower thoracic spine. — Stock Photo
    Colored X-ray of section through thoracic spine of senior male patient with ankylosing spondylitis with severe degeneration of lower thoracic spine.
    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)
    Digital illustration of section of human kidney containing kidney stones. — Stock Photo
    Digital illustration of section of human kidney containing kidney stones.
    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.
    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.
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (cyan) — Stock Photo
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (cyan)
    Bile duct cellular sctructure — Stock Photo
    Bile duct cellular sctructure
    Illustration of purple chloride channels in cell membrane. — Stock Photo
    Illustration of purple chloride channels in cell membrane.
    Closeup view of empty tablet packaging — Stock Photo
    Closeup view of empty tablet packaging
    Pars distalis of the pituitary gland — Stock Photo
    Pars distalis of the pituitary gland
    Normal head and brain, MRI scan — Stock Photo
    Normal head and brain, MRI scan
    Healthy human brain — Stock Photo
    Healthy human brain
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink).
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Upper lip skin with hair follicles — Stock Photo
    Upper lip skin with hair follicles
    Illustration of purple chloride channels in cell membrane. — Stock Photo
    Illustration of purple chloride channels in cell membrane.
    Cross-section through human skin — Stock Photo
    Cross-section through human skin
    Young pine tree stem — Stock Photo
    Young pine tree stem
    Degenerative foot deformation, X-ray — Stock Photo
    Degenerative foot deformation, X-ray
    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
    Closeup view of opened till with euro notes and coins in sections — Stock Photo
    Closeup view of opened till with euro notes and coins in sections
    Woman hand peeling ripe sweet tangerine — Stock Photo
    Woman hand peeling ripe sweet tangerine
    Woman hand peeling ripe sweet tangerine — Stock Photo
    Woman hand peeling ripe sweet tangerine
    Petrified wood pattern, full frame. — Stock Photo
    Petrified wood pattern, full frame.