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EN_00966278_4253
Artist's concept of the life cycle of the paramyxovirus that causes mumps. Cross section of the virus and stages of development within a host cell are labeled.
EN_00966278_4254
Artist's concept of the life cycle of the paramyxovirus that causes mumps. Stages of development within a host cell are labeled.
EN_00966278_4258
Illustration showing a cancerous breast cell producing too many HER genes, which in turn produce an excessive number of HER2 receptors. The receptors attract growth factors, which stimulate the growth of more cells. Herceptin (generic name, trastuzumab) and other antibodies inhibit HER2 receptors and VEGF growth factors. The growth signal is green.
EN_00966278_4259
Close-up illustration showing a cancerous breast cell producing too many HER genes, which in turn produce an excessive number of HER2 receptors. The receptors attract growth factors, which stimulate the growth of more cells. Herceptin (generic name, trastuzumab) and other antibodies inhibit HER2 receptors and VEGF growth factors.
EN_00966278_6112
Illustration of an HIV virus, the virus that causes AIDS, shown cutaway.
EN_00966278_6123
Illustration of an HIV virion.
EN_00966278_6661
3-D space-filling molecular model of the dengue virus (family Flaviviridae, genus Flavivirus) protein capsid, bead chain version, showing the structure of how the individual protein subunits fit together, diameter 488 angstroms.
EN_00966278_6662
3-D space-filling molecular model of the dengue virus (family Flaviviridae, genus Flavivirus) protein capsid, bead chain version, showing the structure of how the individual protein subunits fit together, diameter 488 angstroms.
EN_00966278_6663
3-D space-filling molecular model of the dengue virus (family Flaviviridae, genus Flavivirus) protein capsid, bead chain version, showing the structure of how the individual protein subunits fit together, diameter 488 angstroms.
EN_00966278_6664
3-D space-filling molecular model of the dengue virus (family Flaviviridae, genus Flavivirus) protein capsid, diameter 488 angstroms.
EN_00966278_6665
3-D space-filling molecular model of the dengue virus (family Flaviviridae, genus Flavivirus) protein capsid, diameter 488 angstroms.
EN_00966278_8327
Illustration of a prokaryotic cell with labeled organelles: capsule, plasma membrane, cell wall, falgellum, ribosomes, and nucleoid.
EN_00966278_9491
Adenovirus, one of a large group of viruses causing disease of the upper respiratory tract and conjunctiva.
EN_00966278_9494
Molecular structures of adenovirus, one of a large group of viruses causing disease of the upper respiratory tract and conjunctiva.
EN_00966299_1624
Elements of viral and bacterial infection: Helicobacter pylori, streptococcus bacteria, influenza, HIV, and bacteriophage viruses.
EN_00966299_3662
Completely assembled, new retroviruses on cell's surface bud off into bloodstream, free to find and attack other host cells.
EN_00966299_3663
Retrovirus moves across protein-studded surface of a white blood cell, contacting a spiky receptor to which one of its own knobby proteins stick. This chemically unlocks the cell, which may do little to defend itself.
EN_00966299_5060
Molecular model of the adenovirus (common cold virus).
EN_00966299_5062
Computerized model of the common cold virus.
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Illustration of adenovirus, which causes various respiratory infections in humans.