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    Light micrograph of a longitudinal section through filiform papillae on the tongue surface. — Stock Photo
    Light micrograph of a longitudinal section through filiform papillae on the tongue surface.
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba. — Stock Photo
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba.
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells.
    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red).
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres. — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres.
    Conceptual image of plasmodium causing malaria — Stock Photo
    Conceptual image of plasmodium causing malaria
    Anatomy of adrenal gland with labels — Stock Photo
    Anatomy of adrenal gland with labels
    Relation of thyroid and pituitary gland with labels — Stock Photo
    Relation of thyroid and pituitary gland with labels
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    Light micrograph (LM) of a section through the fingertip. — Stock Photo
    Light micrograph (LM) of a section through the fingertip.
    Fat cells, conceptual computer illustration. — Stock Photo
    Fat cells, conceptual computer illustration.
    Blastocyst structure, conceptual computer artwork. — Stock Photo
    Blastocyst structure, conceptual computer artwork.
    Leucocyte cell capturing harmful bacteria, computer illustration. — Stock Photo
    Leucocyte cell capturing harmful bacteria, computer illustration.
    Light micrograph (LM) of a vertical section through the pseudostratified columnar epithelium from the trachea, the tube in the throat leading from the mouth to the bronchus and the lungs. — Stock Photo
    Light micrograph (LM) of a vertical section through the pseudostratified columnar epithelium from the trachea, the tube in the throat leading from the mouth to the bronchus and the lungs.
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba. — Stock Photo
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba.
    DNA (deoxyribonucleic acid) transcription, computer illustration. — Stock Photo
    DNA (deoxyribonucleic acid) transcription, computer illustration.
    Tumor, illustration — Stock Photo
    Tumor, illustration
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin.
    Microscopic view of pancreatic cancer cell — Stock Photo
    Microscopic view of pancreatic cancer cell
    Hepatic bile duct infected with cocidian protozoa — Stock Photo
    Hepatic bile duct infected with cocidian protozoa
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Tumor, illustration — Stock Photo
    Tumor, illustration
    Swine influenza virus microscopic view — Stock Photo
    Swine influenza virus microscopic view
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres. — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres.
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    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).
    Fat cells structure, computer illustration. — Stock Photo
    Fat cells structure, computer illustration.
    Colon lining and mucous producing cells — Stock Photo
    Colon lining and mucous producing cells
    Fallopian tube, TEM — Stock Photo
    Fallopian tube, TEM
    Leucocyte cell capturing harmful bacteria, computer illustration. — Stock Photo
    Leucocyte cell capturing harmful bacteria, computer illustration.
    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.
    Hepatic bile duct infected with cocidian protozoa — Stock Photo
    Hepatic bile duct infected with cocidian protozoa
    Carcinoma of the prostate — Stock Photo
    Carcinoma of the prostate
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue).
    Midrib of a tea leaf — Stock Photo
    Midrib of a tea leaf
    Fractured pancreas tissue — Stock Photo
    Fractured pancreas tissue
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Fatcells structure and anatomy — Stock Photo
    Fatcells structure and anatomy
    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).
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Adenocarcinoma of the thyroid gland — Stock Photo
    Adenocarcinoma of the thyroid gland
    Coloured transmission electron micrograph (TEM) of a section through a Langerhans cell from the epidermis of the skin. — Stock Photo
    Coloured transmission electron micrograph (TEM) of a section through a Langerhans cell from the epidermis of the skin.
    Conceptual image of a neuron on black background — Stock Photo
    Conceptual image of a neuron on black background
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans. — Stock Photo
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans.
    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    Computer illustration showing different stages of release of malaria merozoites from a red blood cell. — Stock Photo
    Computer illustration showing different stages of release of malaria merozoites from a red blood cell.
    Pathophysiology of diabetic foot ulcers — Stock Photo
    Pathophysiology of diabetic foot ulcers
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Dog hair, coloured scanning electron micrograph (SEM). — Stock Photo
    Dog hair, coloured scanning electron micrograph (SEM).
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Basal cell carcinoma — Stock Photo
    Basal cell carcinoma
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.