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    Section through a full term placenta — Stock Photo
    Section through a full term placenta
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    Section through the olfactory epithelium — Stock Photo
    Section through the olfactory epithelium
    Microfilaria worms in a blood smear — Stock Photo
    Microfilaria worms in a blood smear
    Giant Polytene chromosomes — Stock Photo
    Giant Polytene chromosomes
    Human eye nerve, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human eye nerve, light micrograph. Haematoxylin and eosin stain.
    Cross-section of spinal cord, light micrograph. — Stock Photo
    Cross-section of spinal cord, light micrograph.
    Light micrograph of blood cells (mainly B cells, dark purple) in the liver of a patient with lymphocytic leukaemia. — Stock Photo
    Light micrograph of blood cells (mainly B cells, dark purple) in the liver of a patient with lymphocytic leukaemia.
    Smokers lungs, digital illustration and light micrograph on white background. — Stock Photo
    Smokers lungs, digital illustration and light micrograph on white background.
    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.
    Light micrograph of liver fluke eggs in a fish scale. — Stock Photo
    Light micrograph of liver fluke eggs in a fish scale.
    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 a full term placenta — Stock Photo
    Section through a full term placenta
    Human cardiac muscle, light micrograph. — Stock Photo
    Human cardiac muscle, light micrograph.
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant — Stock Photo
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant
    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.
    Hidradenoma papilliferum, light micrograph (LM) of section of affected vulva. Hidradenoma papilliferumis type of benign cystic papillary growth (lower part of image) that occurs on labia majora of vulva — Stock Photo
    Hidradenoma papilliferum, light micrograph (LM) of section of affected vulva. Hidradenoma papilliferumis type of benign cystic papillary growth (lower part of image) that occurs on labia majora of vulva
    Digital illustration and light micrograph of squamous cell carcinoma of lung. — Stock Photo
    Digital illustration and light micrograph of squamous cell carcinoma of lung.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Light micrograph of Dicot plants stem showing plant vascular tissue. — Stock Photo
    Light micrograph of Dicot plants stem showing plant vascular tissue.
    Blood cells, light micrograph. — Stock Photo
    Blood cells, light micrograph.
    Iris stem cellular structure — Stock Photo
    Iris stem cellular structure
    Hair follicles of human skin — Stock Photo
    Hair follicles of human skin
    Light micrograph of a section through the surface of a tongue showing a circumvallate papilla (round, upper left), one of the structures that controls the sense of taste. — Stock Photo
    Light micrograph of a section through the surface of a tongue showing a circumvallate papilla (round, upper left), one of the structures that controls the sense of taste.
    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.
    Light micrograph of a section of stomach tissue showing a lesion (centre) caused by a gastric ulcer. — Stock Photo
    Light micrograph of a section of stomach tissue showing a lesion (centre) caused by a gastric ulcer.
    Structure of islet of langerhans, light micrograph. — Stock Photo
    Structure of islet of langerhans, light micrograph.
    Human stomach mucinous adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach mucinous adenocarcinoma, computer illustration and light micrograph.
    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).
    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 nasal mucosa — Stock Photo
    Section through the nasal mucosa
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    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.
    Appendix showing appendicitis — Stock Photo
    Appendix showing appendicitis
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Fertilization of human egg — Stock Photo
    Fertilization of human egg
    Secondary follicles in an ovary — Stock Photo
    Secondary follicles in an ovary
    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.
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Human cardiac muscle, light micrograph. — Stock Photo
    Human cardiac muscle, light micrograph.
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Microsporum gypseum fungus — Stock Photo
    Microsporum gypseum fungus
    Kidney with acute nephritis — Stock Photo
    Kidney with acute nephritis
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration. — Stock Photo
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration.
    Human tendon, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human tendon, light micrograph. Haematoxylin and eosin stain.
    Light micrograph (LM) of longitudinal section through a fetal finger tip to show the developing nail. — Stock Photo
    Light micrograph (LM) of longitudinal section through a fetal finger tip to show the developing nail.
    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.
    Lung cancer, digital illustration and light micrograph of cancerous tissue. — Stock Photo
    Lung cancer, digital illustration and light micrograph of cancerous tissue.
    Mid rib of an olive leaf — Stock Photo
    Mid rib of an olive leaf
    Pars distalis of the pituitary gland — Stock Photo
    Pars distalis of the pituitary gland
    Parotid salivary gland — Stock Photo
    Parotid salivary gland
    Purkinje cells and their dendritic processes — Stock Photo
    Purkinje cells and their dendritic processes
    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.
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Tongue surface, light micrograph and computer illustration. — Stock Photo
    Tongue surface, light micrograph and computer illustration.
    Light micrograph of a section through the eye of a frog. — Stock Photo
    Light micrograph of a section through the eye of a frog.
    Light micrograph of a waterflea, Daphnia pulex, a small freshwater crustacean. — Stock Photo
    Light micrograph of a waterflea, Daphnia pulex, a small freshwater crustacean.
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph. — Stock Photo
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph.