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    Tendon showing the parallel collagen fibres — Stock Photo
    Tendon showing the parallel collagen fibres
    Omentum fold of peritoneal membrane — Stock Photo
    Omentum fold of peritoneal membrane
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Obelia hydrozoan medusa. Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid. — Stock Photo
    Obelia hydrozoan medusa. Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid.
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    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.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Ovarian cells section — Stock Photo
    Ovarian cells section
    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)
    Smokers lungs, digital illustration and light micrograph on white background. — Stock Photo
    Smokers lungs, digital illustration and light micrograph on white background.
    Lobar pneumonia in stage of grey hepatisation or late consolidation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of grey hepatisation or late consolidation, digital illustration and light micrograph.
    Oesophageal cancer, computer illustration and light micrograph of cancer tissue. — Stock Photo
    Oesophageal cancer, computer illustration and light micrograph of cancer tissue.
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph.
    Section through the cerebellum in the brain — Stock Photo
    Section through the cerebellum in the brain
    Asbestos fibres in lung tissue, light micrograph. — Stock Photo
    Asbestos fibres in lung tissue, light micrograph.
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain.
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Electron micrograph of dental plaque — Stock Photo
    Electron micrograph of dental plaque
    Male human flea — Stock Photo
    Male human flea
    Dog roundworm eggs (Toxocara canis), light micrograph. — Stock Photo
    Dog roundworm eggs (Toxocara canis), light micrograph.
    Transverse section through the midrib of a fern leaf — Stock Photo
    Transverse section through the midrib of a fern leaf
    Section through a wart — Stock Photo
    Section through a wart
    Gall bladder lining — Stock Photo
    Gall bladder lining
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph.
    Large thrombus formation — Stock Photo
    Large thrombus formation
    Human hair with dandruff and close-up of light micrograph, digital artwork. — Stock Photo
    Human hair with dandruff and close-up of light micrograph, digital artwork.
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma. — Stock Photo
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma.
    Haversian canals in compact bone, light micrograph. — Stock Photo
    Haversian canals in compact bone, light micrograph.
    Retina. Light micrograph (LM) of a section through a retina. The eye works by allowing light to be focused by the lens onto the retina — Stock Photo
    Retina. Light micrograph (LM) of a section through a retina. The eye works by allowing light to be focused by the lens onto the retina
    Lime tree stem — Stock Photo
    Lime tree stem
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Section through a Pacinian corpuscle — Stock Photo
    Section through a Pacinian corpuscle
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Human compact bone tissue, light micrograph. — Stock Photo
    Human compact bone tissue, light micrograph.
    Basal cell carcinoma — Stock Photo
    Basal cell carcinoma
    Colon lining and mucous producing cells — Stock Photo
    Colon lining and mucous producing cells
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with cirrhosis, showing fibrosis and lack of a functional liver anatomy. — Stock Photo
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with cirrhosis, showing fibrosis and lack of a functional liver anatomy.
    Areolar connective tissue, light micrograph. — Stock Photo
    Areolar connective tissue, light micrograph.
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    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.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Human head louse — Stock Photo
    Human head louse
    Light microscope objective lenses in laboratory. — Stock Photo
    Light microscope objective lenses in laboratory.
    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
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    Section through bone marrow — Stock Photo
    Section through bone marrow
    Human stomach mucinous adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach mucinous adenocarcinoma, computer illustration and light micrograph.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain.
    Human cardiac muscle, light micrograph. — Stock Photo
    Human cardiac muscle, light micrograph.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Upper lip skin with hair follicles — Stock Photo
    Upper lip skin with hair follicles
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Pseudostratified epithelium, light micrograph. Pseudostratified epithelium is a type of epithelium that comprises only a single layer of cells. — Stock Photo
    Pseudostratified epithelium, light micrograph. Pseudostratified epithelium is a type of epithelium that comprises only a single layer of cells.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Lobar pneumonia in stage of congestion and consolidation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of congestion and consolidation, digital illustration and light micrograph.