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    Section through the olfactory epithelium — Stock Photo
    Section through the olfactory epithelium
    Nerve cells, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Nerve cells, light micrograph. Haematoxylin and eosin stain.
    Appendix showing appendicitis — Stock Photo
    Appendix showing appendicitis
    Adenocarcinoma of the sigmoid colon — Stock Photo
    Adenocarcinoma of the sigmoid colon
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Squamous carcinoma of the skin — Stock Photo
    Squamous carcinoma of the skin
    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.
    Dust mite, light micrograph — Stock Photo
    Dust mite, light micrograph
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Tapeworm of cattle and other grazing animals, light micrograph. — Stock Photo
    Tapeworm of cattle and other grazing animals, light micrograph.
    Electron micrograph of dental plaque — Stock Photo
    Electron micrograph of dental plaque
    Secondary follicles in an ovary — Stock Photo
    Secondary follicles in an ovary
    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.
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Light micrograph of a section through the surface of a tonsil showing the stratified squamous epithelium (pink) and underlying lymphoid tissue. — Stock Photo
    Light micrograph of a section through the surface of a tonsil showing the stratified squamous epithelium (pink) and underlying lymphoid tissue.
    Female of the human body louse — Stock Photo
    Female of the human body louse
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Human compact bone tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human compact bone tissue, light micrograph. Haematoxylin and eosin stain.
    Lungs cancer, digital illustration showing malignant tumour in lung. — Stock Photo
    Lungs cancer, digital illustration showing malignant tumour in lung.
    Tongue surface, light micrograph and computer illustration. — Stock Photo
    Tongue surface, light micrograph and computer illustration.
    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).
    Section through the olfactory epithelium — Stock Photo
    Section through the olfactory epithelium
    Iris stem cellular structure — Stock Photo
    Iris stem cellular structure
    Section through the cerebellum of the brain — Stock Photo
    Section through the cerebellum of the brain
    Liver fluke Clonorchis sinensis — Stock Photo
    Liver fluke Clonorchis sinensis
    Lung aneurysm, light micrograph. — Stock Photo
    Lung aneurysm, light micrograph.
    Human smooth muscle, light micrograph. — Stock Photo
    Human smooth muscle, light micrograph.
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Section through a grape stem — Stock Photo
    Section through a grape stem
    Light micrograph of a section through skin with a neurofibroma tumour (pink, across bottom). — Stock Photo
    Light micrograph of a section through skin with a neurofibroma tumour (pink, across bottom).
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Tendon showing the parallel collagen fibres — Stock Photo
    Tendon showing the parallel collagen fibres
    Layer of cells, light micrograph and computer illustration. — Stock Photo
    Layer of cells, light micrograph and computer illustration.
    Root vascular tissue, light micrograph. — Stock Photo
    Root vascular tissue, light micrograph.
    Liver tissue, light micrograph. Animal tissue. — Stock Photo
    Liver tissue, light micrograph. Animal tissue.
    Areolar connective tissue, light micrograph. — Stock Photo
    Areolar connective tissue, light micrograph.
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Bile duct cellular sctructure — Stock Photo
    Bile duct cellular sctructure
    Lobar pneumonia in stage of grey hepatisation, conceptual digital illustration. — Stock Photo
    Lobar pneumonia in stage of grey hepatisation, conceptual digital illustration.
    Epithelium of a foliate papillae of the tongue — Stock Photo
    Epithelium of a foliate papillae of the tongue
    Retina. Light micrograph of a section through the retina showing its 10 layers. — Stock Photo
    Retina. Light micrograph of a section through the retina showing its 10 layers.
    Parotid salivary gland — Stock Photo
    Parotid salivary gland
    Longitudinal section through smooth muscle — Stock Photo
    Longitudinal section through smooth muscle
    Section through a lily stem — Stock Photo
    Section through a lily stem
    Human eye nerve, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human eye nerve, light micrograph. Haematoxylin and eosin stain.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph. — Stock Photo
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph.
    Human cardiac tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human cardiac tissue, light micrograph. Haematoxylin and eosin stain.
    Metastatic breast cancer — Stock Photo
    Metastatic breast cancer
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Adenocarcinoma of the endometrium — Stock Photo
    Adenocarcinoma of the endometrium
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Areolar connective tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Areolar connective tissue, light micrograph. Haematoxylin and eosin stain.
    Basal cell carcinoma — Stock Photo
    Basal cell carcinoma
    Human oesophagus wall — Stock Photo
    Human oesophagus wall
    Light micrograph of rectal papilloma on white background, — Stock Photo
    Light micrograph of rectal papilloma on white background,
    Male human flea — Stock Photo
    Male human flea
    Light micrograph of a cross section through a grape vine (Vitis sp.) stem. — Stock Photo
    Light micrograph of a cross section through a grape vine (Vitis sp.) stem.
    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.
    Cross section of human cartilage and bone, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Cross section of human cartilage and bone, light micrograph. Haematoxylin and eosin stain.