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  • HeLa cell, immortal human epithelial cancer cell line, SEM
  • Salmonella Typhimurium infection of a human epithelial cell
  • HeLa cell, immortal human epithelial cancer cell line, SEM
  • HeLa cells, immortal human epithelial cancer cell line, SEM
  • HeLa cells, immortal human epithelial cancer cell line, SEM
  • Cellular architecture of normal human skin imaged by whole mount tissue microscopy. Human skin has a rich network of white blood cells (specifically dendritic cells, T cells and macrophages) which form sheaths around blood vessels. In this image, T cells (stained for CD3; red) dendritic cells (stained for MHC class II; green) and macrophages (stained for LYVE-1; blue with some cells showing a tinge of green) can be seen. Cell nuclei have been stained with DAPI (grey). This normal cellular architecture is grossly disrupted in diseased skin (see related images). X10 magnification. Scale bar (white) represents 200 micrometres.
  • Human macrophage rupturing after infection with Chlamydia
  • HeLa cell, immortal human epithelial cancer cell line, SEM
  • Dividing HeLa cells, LM
  • Lancet used by E. Jenner. 2 have steel blades and 2 have ivory blades - the latter were probably designed for vaccination.
  • Cellular architecture of normal human skin imaged by whole mount tissue microscopy. Human skin has a rich network of white blood cells (specifically dendritic cells, T cells and macrophages) which form sheaths around blood vessels. In this image, blood vessels (string-like structures stained for CD31; red), lymphatic vessels (ribbon-like structures stained for LYVE-1; blue) and dendritic cells (stained for CD11c; green) can be seen. Macrophages (stained for LYVE-1; blue) are also present. This normal cellular architecture is grossly disrupted in diseased skin (see related images). X10 magnification. Scale bar (white) represents 200 micrometres.
  • HeLa cells, immortal human epithelial cancer cell line, SEM
  • The hand of Sarah Nelmes infected with the cowpox.
  • Cellular architecture of normal human skin imaged by whole mount tissue microscopy. Human skin has a rich network of white blood cells (specifically dendritic cells, T cells and macrophages) which form sheaths around blood vessels (string-like structures). A network of lymphatic vessels (ribbon-like structures) is also present. In this image, human skin lymphatic vessels (stained for LYVE-1; blue) and white blood cells comprised of dendritic cells (stained for CD11c; green) and T cells (stained for CD3; red) can be seen. Some macrophages also express the protein LYVE-1 similar to lymphatic vessel cells which can be appreciated as blue cells within and in between the sheaths of white blood cells. This normal cellular architecture is grossly disrupted in diseased skin (see related images). X10 magnification. Scale bar (white) represents 200 micrometres.
  • HeLa cell, immortal human epithelial cancer cell line, SEM
  • HeLa cells, immortal human epithelial cancer cell line, SEM
  • HeLa cell, immortal human epithelial cancer cell line, SEM
  • Lung cancer cells grown in culture, SEM
  • HeLa cell, immortal human epithelial cancer cell line, SEM
  • Paul Ehrlich, 'Experimentelle Untersuchungen uber Immunitat'.
  • Vaccine lymph supplied in 1888. Capillary tube together with small box and printed notice.
  • HeLa cells, immortal human epithelial cancer cell line, SEM
  • Dividing HeLa cells, LM
  • HeLa cell, immortal human epithelial cancer cell line, SEM
  • Macrophages infected with Candida yeast spores, SEM
  • HeLa cell, immortal human epithelial cancer cell line, SEM
  • Lung cancer cells grown in culture, SEM
  • Macrophages infected with candida yeast, LM
  • Trichuris muris is a parasitic nematode affecting mice. Following ingestion, T. muris eggs hatch in the large intestine where they develop into adults. The anterior end of the worm burrows into the lining of the gut, leaving the posterior end protruding into the lumen of the gut. The worms mate in this orientation, and the resulting eggs are released in to the gut lumen and shed faecally.
  • HeLa cell, immortal human epithelial cancer cell line, SEM