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    Medical illustration of intestinal villi in tract. — Stock Photo
    Medical illustration of intestinal villi in tract.
    View of Triceps muscle — Stock Photo
    View of Triceps muscle
    Human nerve structure in cross section, digital illustration. — Stock Photo
    Human nerve structure in cross section, digital illustration.
    Purple colored nerve cell on dark background, digital illustration. — Stock Photo
    Purple colored nerve cell on dark background, digital illustration.
    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
    Mid section of woman using calculator in restaurant. — Stock Photo
    Mid section of woman using calculator in restaurant.
    Dentist making injection with syringe in open mouth of patient i — Stock Photo
    Dentist making injection with syringe in open mouth of patient i
    Closeup cropped view of woman holding marzipan fruits on stand — Stock Photo
    Closeup cropped view of woman holding marzipan fruits on stand
    Immature parasitic trematode — Stock Photo
    Immature parasitic trematode
    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
    Colored scanning electron micrograph of cancellous bone tissue from starling bird skull. — Stock Photo
    Colored scanning electron micrograph of cancellous bone tissue from starling bird skull.
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla). — Stock Photo
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla).
    Light micrograph of a section through the liver of a patient with glycogenosis, or glycogen storage disease (GSD). GSD is a rare condition that changes the way the body uses and stores glycogen, a form of sugar or glucose. Haematoxylin and eosin stai — Stock Photo
    Light micrograph of a section through the liver of a patient with glycogenosis, or glycogen storage disease (GSD). GSD is a rare condition that changes the way the body uses and stores glycogen, a form of sugar or glucose. Haematoxylin and eosin stai
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Physical therapist massaging male arms. — Stock Photo
    Physical therapist massaging male arms.
    View of Deltoid muscle — Stock Photo
    View of Deltoid muscle
    Fresh ripe blueberries — Stock Photo
    Fresh ripe blueberries
    Empty chairs and table at conference room in office — Stock Photo
    Empty chairs and table at conference room in office
    Technicians preparing and checking samples in manufacturing bioengineering laboratory. — Stock Photo
    Technicians preparing and checking samples in manufacturing bioengineering laboratory.
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Female body with visible back muscles, computer illustration — Stock Photo
    Female body with visible back muscles, computer illustration
    Healthy human skin — Stock Photo
    Healthy human skin
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red).
    Abstract close-up of pink fabric structure, digital illustration. — Stock Photo
    Abstract close-up of pink fabric structure, digital illustration.
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    Female technician programming machine in nanofibre laboratory. — Stock Photo
    Female technician programming machine in nanofibre laboratory.
    Hepatocyte cells, light micrograph. Hepatocyte cells are the main parenchymal tissue cells of the liver. Haematoxylin and eosin stain. — Stock Photo
    Hepatocyte cells, light micrograph. Hepatocyte cells are the main parenchymal tissue cells of the liver. Haematoxylin and eosin stain.
    View of Biceps muscle — Stock Photo
    View of Biceps muscle
    Medical illustration of female breast anatomy — Stock Photo
    Medical illustration of female breast anatomy
    Closeup view of Black Forest gateau with fork and tissue on white plate — Stock Photo
    Closeup view of Black Forest gateau with fork and tissue on white plate
    Female back muscles, low angle view, computer illustration — Stock Photo
    Female back muscles, low angle view, computer illustration
    Human silhouette showing heart with blood vessels and bronchial tree on white background. — Stock Photo
    Human silhouette showing heart with blood vessels and bronchial tree on white background.
    Still life of shabby blue jeans pants on dark table. — Stock Photo
    Still life of shabby blue jeans pants on dark table.
    Neck and back muscles in female body, computer illustration — Stock Photo
    Neck and back muscles in female body, computer illustration
    Duct is lined with pseudostratified epithelium — Stock Photo
    Duct is lined with pseudostratified epithelium
    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).
    Muscles controlling human posture — Stock Photo
    Muscles controlling human posture
    Red colored nerve cell on dark background, digital illustration. — Stock Photo
    Red colored nerve cell on dark background, digital illustration.
    Female scientist holding multi-well plate with growth medium. — Stock Photo
    Female scientist holding multi-well plate with growth medium.
    Nerve cell with pink colored axon on blue background, digital illustration. — Stock Photo
    Nerve cell with pink colored axon on blue background, digital illustration.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Medical illustration of female breast anatomy — Stock Photo
    Medical illustration of female breast anatomy
    Nerve cell structure in cross section on black background, digital illustration. — Stock Photo
    Nerve cell structure in cross section on black background, digital illustration.
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Anatomy of male muscles in upper body — Stock Photo
    Anatomy of male muscles in upper body
    Neck and head muscles in female body, computer illustration — Stock Photo
    Neck and head muscles in female body, computer illustration
    Male body with back muscles, computer illustration. — Stock Photo
    Male body with back muscles, computer illustration.
    Visual rendering of Neck pain — Stock Photo
    Visual rendering of Neck pain
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Male back, neck and head muscles, computer illustration. — Stock Photo
    Male back, neck and head muscles, computer illustration.
    Scientist holding multi-well plate with growth medium. — Stock Photo
    Scientist holding multi-well plate with growth medium.
    Gluteus maximus muscle — Stock Photo
    Gluteus maximus muscle
    Nerve cell with pink colored axon on blue background, digital illustration. — Stock Photo
    Nerve cell with pink colored axon on blue background, digital illustration.
    Female abdominal muscles and mammary glands, computer illustration — Stock Photo
    Female abdominal muscles and mammary glands, computer illustration
    Pastry cake with spoon, fork and butter knife on wax paper at cafe — Stock Photo
    Pastry cake with spoon, fork and butter knife on wax paper at cafe
    Abstract biopolymer structure, conceptual illustration. — Stock Photo
    Abstract biopolymer structure, conceptual illustration.
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma. — Stock Photo
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma.
    Cancer invasion into surrounding tissues, conceptual computer illustration. — Stock Photo
    Cancer invasion into surrounding tissues, conceptual computer illustration.