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    Columnar epithelium structure — Stock Photo
    Columnar epithelium structure
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Cell membrane, illustration, colorful image — Stock Photo
    Cell membrane, illustration, colorful image
    3d illustration of a mitochondrion within a cell. Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They oxidase sugars and fats to produce energy — Stock Photo
    3d illustration of a mitochondrion within a cell. Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They oxidase sugars and fats to produce energy
    Epithelium of a foliate papillae of the tongue — Stock Photo
    Epithelium of a foliate papillae of the tongue
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Colored scanning electron micrograph of osteoblast osteocyte bone cell. — Stock Photo
    Colored scanning electron micrograph of osteoblast osteocyte bone cell.
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Animal cells with mitochondria, illustration. — Stock Photo
    Animal cells with mitochondria, illustration.
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Dendritic cell on plain background, digital illustration. — Stock Photo
    Dendritic cell on plain background, digital illustration.
    Egg cell with nucleus, digital illustration. — Stock Photo
    Egg cell with nucleus, digital illustration.
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    3d illustration of a ribosome (purple), the site of protein synthesis, producing a polypeptide chain (blue). This process is known as translation. — Stock Photo
    3d illustration of a ribosome (purple), the site of protein synthesis, producing a polypeptide chain (blue). This process is known as translation.
    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.
    Cells dividing, computer illustration — Stock Photo
    Cells dividing, computer illustration
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Illustration of silhouette of pregnant woman with visible uterus and blastocyst. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and blastocyst.
    Illustration of blue cell membrane on white background. — Stock Photo
    Illustration of blue cell membrane on white background.
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Adipocyte fat cell — Stock Photo
    Adipocyte fat cell
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Structure of animal cell — Stock Photo
    Structure of animal cell
    Pseudostratified columnar epithelium, digital illustration. — Stock Photo
    Pseudostratified columnar epithelium, digital illustration.
    Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration. — Stock Photo
    Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration.
    Close-up 3d illustration of blue cells pattern with red nuclei. — Stock Photo
    Close-up 3d illustration of blue cells pattern with red nuclei.
    Light microscope of a spleen. The spleen is the largest mass of lymphatic tissue in the body. Haematoxylin and eosin stain. — Stock Photo
    Light microscope of a spleen. The spleen is the largest mass of lymphatic tissue in the body. Haematoxylin and eosin stain.
    Medical illustration of human cell structure on dark background. — Stock Photo
    Medical illustration of human cell structure on dark background.
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Magnified digital illustration of leukocyte cell. — Stock Photo
    Magnified digital illustration of leukocyte cell.
    Neutrophil white blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cells, digital illustration.
    Cancer cell morphology — Stock Photo
    Cancer cell morphology
    Cancer cell, computer illustration. — Stock Photo
    Cancer cell, computer illustration.
    Magnified digital illustration of water bear. — Stock Photo
    Magnified digital illustration of water bear.
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Magnified digital illustration of 16 cell stage embryo. — Stock Photo
    Magnified digital illustration of 16 cell stage embryo.
    Lung bronchiole. Light micrograph of a section through lung tissue and a bronchiole. Bronchi form branches from the trachea and gradually diminish in diameter with increasing branching into bronchioles within the lung — Stock Photo
    Lung bronchiole. Light micrograph of a section through lung tissue and a bronchiole. Bronchi form branches from the trachea and gradually diminish in diameter with increasing branching into bronchioles within the lung
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    Fallopian tube, TEM — Stock Photo
    Fallopian tube, TEM
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.
    Structure of cellular organelles — Stock Photo
    Structure of cellular organelles
    Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration. — Stock Photo
    Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration.
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia. — Stock Photo
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia.
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Illustration of motor protein cellular structure. — Stock Photo
    Illustration of motor protein cellular structure.
    Magnified digital illustration of antibody cell. — Stock Photo
    Magnified digital illustration of antibody cell.
    Cancer cell spreading, digital illustration. — Stock Photo
    Cancer cell spreading, digital illustration.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria. — Stock Photo
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria.
    Nerve cells and intercellular junctions — Stock Photo
    Nerve cells and intercellular junctions
    Pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual digital illustration. — Stock Photo
    Pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual digital illustration.
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration