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    Warbling white-eye bird perching on twig, close up shot — Stock Photo
    Warbling white-eye bird perching on twig, close up shot
    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).
    Snouted treefrog (Scinax fuscovarius) eye, close-up. This species is widespread in southern, south-eastern and central Brazil as well as in eastern Bolivia, Paraguay, northern Argentina, and northern Uruguay — Stock Photo
    Snouted treefrog (Scinax fuscovarius) eye, close-up. This species is widespread in southern, south-eastern and central Brazil as well as in eastern Bolivia, Paraguay, northern Argentina, and northern Uruguay
    I shot this picture of a man praying alone . — Stock Photo
    I shot this picture of a man praying alone .
    Close up shot of Super red iguana on black background — Stock Photo
    Close up shot of Super red iguana on black background
    Streptococcus pneumoniae causing bacterial pneumonia in alveoli. — Stock Photo
    Streptococcus pneumoniae causing bacterial pneumonia in alveoli.
    Super red iguana in natural habitat — Stock Photo
    Super red iguana in natural habitat
    Pear (Pyrus sp.) flower. — Stock Photo
    Pear (Pyrus sp.) flower.
    Illustration of human hair structure. — Stock Photo
    Illustration of human hair structure.
    Bee hovering next to pink flower, Indonesia — Stock Photo
    Bee hovering next to pink flower, Indonesia
    Illustration of a UFO gravitating over a forest and mountain ranges. — Stock Photo
    Illustration of a UFO gravitating over a forest and mountain ranges.
    Close up shot of snail on mushroom growing on tree trunk — Stock Photo
    Close up shot of snail on mushroom growing on tree trunk
    Illustration of antibiotic resistant bacteria forming a biofilm. — Stock Photo
    Illustration of antibiotic resistant bacteria forming a biofilm.
    Illustration of a neutrophil. — Stock Photo
    Illustration of a neutrophil.
    Cancer cells forming a tumor, illustration. — Stock Photo
    Cancer cells forming a tumor, illustration.
    Bacteria on a hand, conceptual illustration. — Stock Photo
    Bacteria on a hand, conceptual illustration.
    Small squares, computer illustration. — Stock Photo
    Small squares, computer illustration.
    Illustration of a spore of the yeast-like fungus Histoplasma capsulatum. When inhaled these spores can cause a respiratory disease called histoplasmosis. The primary pulmonary form is usually harmless — Stock Photo
    Illustration of a spore of the yeast-like fungus Histoplasma capsulatum. When inhaled these spores can cause a respiratory disease called histoplasmosis. The primary pulmonary form is usually harmless
    Close-up of cancer cells, conceptual illustration. — Stock Photo
    Close-up of cancer cells, conceptual illustration.
    Illustration of a painful wrist. — Stock Photo
    Illustration of a painful wrist.
    Human knee pain, computer illustration. — Stock Photo
    Human knee pain, computer illustration.
    Human knee joint, computer illustration. — Stock Photo
    Human knee joint, computer illustration.
    Human knee pain, computer illustration. — Stock Photo
    Human knee pain, computer illustration.
    Lightning strike over a rural area. Lightning occurs when a large electrical charge builds up in a clouds — Stock Photo
    Lightning strike over a rural area. Lightning occurs when a large electrical charge builds up in a clouds
    Woman practices yoga at base of giant Sequoia Tree, California — Stock Photo
    Woman practices yoga at base of giant Sequoia Tree, California
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain.
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system — Stock Photo
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system
    Unidentified flying object (UFO), illustration. — Stock Photo
    Unidentified flying object (UFO), illustration.
    Light micrograph of a cross section of human cartilage and bone. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of a cross section of human cartilage and bone. Haematoxylin and eosin stain.
    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.
    Abstract Network, conceptual illustration. — Stock Photo
    Abstract Network, conceptual illustration.
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain.
    Pollen grain, light micrograph. Pollen grain is the microscopic body that contains the male reproductive cell of a plant. — Stock Photo
    Pollen grain, light micrograph. Pollen grain is the microscopic body that contains the male reproductive cell of a plant.
    Light micrograph of a plant stem cross section. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of a plant stem cross section. Haematoxylin and eosin stain.
    Human compact bone tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human compact bone tissue, light micrograph. Haematoxylin and eosin stain.
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain.
    A simple mild fish curry — Stock Photo
    A simple mild fish curry
    Savory cheese crackers in a glass — Stock Photo
    Savory cheese crackers in a glass
    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.
    Lymphoma cancer cell. Coloured scanning electron micrograph (SEM) of a lymphoma cell showing early apoptotic changes. A lymphoma is a cell of the immune system that has become cancerous. The cell becomes immortal and can grow indefinitely — Stock Photo
    Lymphoma cancer cell. Coloured scanning electron micrograph (SEM) of a lymphoma cell showing early apoptotic changes. A lymphoma is a cell of the immune system that has become cancerous. The cell becomes immortal and can grow indefinitely
    Active rye sourdough in a glass — Stock Photo
    Active rye sourdough in a glass
    Human tendon, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human tendon, light micrograph. Haematoxylin and eosin stain.
    A bunch of chives on a white background — Stock Photo
    A bunch of chives on a white background
    Easter eggs in a white porcelain plate on a light wooden table — Stock Photo
    Easter eggs in a white porcelain plate on a light wooden table
    Light micrograph of an artery vascular cross section. — Stock Photo
    Light micrograph of an artery vascular cross section.
    Pomegranate relish for Thanksgiving — Stock Photo
    Pomegranate relish for Thanksgiving
    Chopped vegan chocolate on a wooden board — Stock Photo
    Chopped vegan chocolate on a wooden board
    Freshly baked mulberry bread on cutting board — Stock Photo
    Freshly baked mulberry bread on cutting board
    Light micrograph of a colon biopsy from a colonoscopy. The pathology report describes normal colonic mucosa fragment with colic glands. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of a colon biopsy from a colonoscopy. The pathology report describes normal colonic mucosa fragment with colic glands. Haematoxylin and eosin stain.
    Light micrograph of adipose tissue containing large lipid droplet. — Stock Photo
    Light micrograph of adipose tissue containing large lipid droplet.
    Human cartilage, light micrograph. Cross section of human cartilage bone. Haematoxylin and eosin stain. — Stock Photo
    Human cartilage, light micrograph. Cross section of human cartilage bone. Haematoxylin and eosin stain.
    Organic fresh rosemary herb on textile napkin on wooden table — Stock Photo
    Organic fresh rosemary herb on textile napkin on wooden table
    Light micrograph of a longitudinal section of plant vascular tissue. — Stock Photo
    Light micrograph of a longitudinal section of plant vascular tissue.
    Light micrograph of human testis showing spermatogonia, spermatocytes in meiosis, spermatids, and spermatozoa. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of human testis showing spermatogonia, spermatocytes in meiosis, spermatids, and spermatozoa. Haematoxylin and eosin stain.
    Chocolate cake and a wooden background. selective focus. — Stock Photo
    Chocolate cake and a wooden background. selective focus.
    Salt flakes in a bowl — Stock Photo
    Salt flakes in a bowl
    Sun dried plums with garlic and thyme in olive oil — Stock Photo
    Sun dried plums with garlic and thyme in olive oil
    Leaf epidermis, light micrograph. The leaf epidermis under light microscope view has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration. — Stock Photo
    Leaf epidermis, light micrograph. The leaf epidermis under light microscope view has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration.
    Pearl spelled close-up view — Stock Photo
    Pearl spelled close-up view
    Motor neurons, light micrograph. Motor neurons of the spinal cord are part of the central nervous system. Haematoxylin and eosin stain. — Stock Photo
    Motor neurons, light micrograph. Motor neurons of the spinal cord are part of the central nervous system. Haematoxylin and eosin stain.