Macrophage Collection (#3)

Dendritic cell, computer artwork
Dendritic cells. Computer artwork of dendritic cells, part of the human immune system. These are a type of macrophage cell found in the bodys tissues

Dendritic cell, TEM
Dendritic cell. Coloured transmission electron micrograph (TEM) of a section through dendritic cells. These are part of the human immune system

White blood cell types
Artwork featuring different types of white blood cells that comprise the orchestra of the human immune system, the bodys defence mechanism

Immune system components
Immune system. Conceptual computer artwork of a man standing with his arms outstretched surrounded by components of the immune system. The skeletal system is seen, with the joints highlighted in red

Lymph node, SEM
Lymph node. Coloured scanning electron micrograph (SEM) of a freeze fracture section through a lymph node, showing part of the medullary sinus

Lymph node
Illustration of a sectioned, whole human lymph node. Lymph nodes are encapsulated, kidney shaped structures that are usually located at intervals along lymph vessels

Macrophage engulfing bacteria, artwork
Macrophage engulfing bacteria. Computer artwork of a macrophage white blood cell (pink) engulfing bacteria (blue). This process is called phagocytosis

Macrophages and tuberculosis vaccine. Fluorescence light micrograph of macrophage (red, outlined in black) white blood cells that have phagocytosed (engulfed) Mycobacterium bovis bacteria (pink)

Macrophage ingesting debris, SEM
Macrophage ingesting cell debris at the site of a wound, coloured scanning electron micrograph (SEM). Macrophages are a type of large white blood cell that are part of the bodys immune system

Macrophage cell, TEM
Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cells nucleus is bright green. Mitochondria (green) in the cells cytoplasm produce energy for the cell

Macrophage and tuberculosis vaccine, TEM
Macrophage and tuberculosis vaccine. Coloured transmission electron micrograph (TEM) of phagocytosed (engulfed) Mycobacterium bovis bacteria (purple) in a macrophage (green) white blood cell

Macrophage engulfing bacteria, SEM
Macrophage engulfing bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell (brown) engulfing Mycobacterium tuberculosis bacteria (yellow)

Macrophage white blood cell, SEM
Macrophage. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell at the site of a skin wound. Macrophages are cells of the bodys immune system

Macrophage engulfing tuberculosis vaccine. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell engulfing Mycobacterium bovis bacteria (yellow)

Macrophage cell engulfing bacteria, TEM
Macrophage cell engulfing bacteria. Coloured transmission electron micrograph (TEM) of bacteria (centre, rod-shaped) inside a macrophage cell

Immunofluorescent LM of an active macrophage
Active macrophage. Immunofluorescent light micrograph of an active macrophage white blood cell producing the enzyme inducible nitric oxide synthetase (iNOS, red)

Immunofluorescent LM of active macrophages
Active macrophages. Immunofluorescent light micrograph of active macrophage white blood cells producing cytokine proteins. The cells have multiple nuclei (blue)

Coloured SEM of a monocyte in a blood capillary
Monocyte. Coloured Scanning Electron Micrograph (SEM) of a monocyte (macrophage) in a blood capillary of the " zona reticularis" of the adrenal gland

False-colour SEM of a macrophage & lymphocyte
Macrophage in contact with a lymphocyte. False- colour scanning electron micrograph (SEM) of a macrophage (gold) in contact with a lymphocyte, a type of white blood cell

Coloured EM of macrophage with engulfed Legionella
Coloured transmission electron micrograph (TEM) of a human lung macrophage which has engulfed the bacteria Legionella pneumophila

Immunofluorescent LM of macrophage in brain tissue
Immunofluorescent Light Micrograph of a macrophage within brain tissue. Macrophages found in nervous tissue are termed microglia

SEM of a macrophage cell moving over a surface
Scanning electron micrograph (SEM) of a macrophage cell moving over a surface. Wandering macrophages are monocytes from circulating blood that function to defend the body against invasion by foreign

False-colour SEM of Kupffer cell in liver

False-colour SEM of macrophage in liver
Macrophage in liver: false-colour scanning electron micrograph (SEM) of a reticuloendothelial cell (a type of macrophage) within a fenestrated capillary of the liver (blue)

Macrophage engulfs bacteria
Artwork of a macrophage blood cell phagocyting some green, rod-shaped bacteria. Macrophages derive from monocytes (white blood cells)

Illustration showing alveoli in the human lung
Illustration based on a scanning electron micrograph of macrophages fixed to the surface of alveoli (air sacs) in the human lung

Human blood cells, light micrograph
Human blood cells. Light micrograph of blood cells at a site of inflammation, showing red blood cells (erythrocytes, red) surrounded by many granulocytes (blue)

Artwork: Inside the AIDS virus, monocyte / T4 cell
Artwork: Inside the AIDS virus, monocyte/T4 cell

Multiple sclerosis, SEM
Multiple sclerosis. Coloured scanning electron micrograph (SEM) of microglial cells (round) ingesting oligodendrocytes (branched). This is the process thought to occur in multiple sclerosis (MS)

Coloured SEM of liver tissue with fibrosis
Fibrosis. Coloured scanning electron micrograph of human liver tissue (red-brown) affected by fibrosis. This is a condition characterised by an overgrowth of connective tissue (pale purple)

Rheumatoid arthritis mechanism, artwork
Rheumatoid arthritis mechanism. Artwork showing various aspects of rheumatoid arthritis, the inflammation of the joints due to attack by the bodys own immune system

Pluripotent stem cell, SEM
Pluripotent stem cell. Coloured scanning electron micrograph (SEM) of a pluripotent stem cell derived from a macrophage white blood cell. Magnification: x4000 when printed at 10 centimetres wide

Golgi apparatus, TEM
Golgi apparatus. Coloured transmission electron micrograph (TEM) of Golgi apparatus, also known as Golgi bodies, (pink) in a macrophage white blood cell

Macrophage attacking bacteria, artwork

Macrophages, SEM
Macrophages. Coloured scanning electron micrograph (SEM) of macrophage white blood cells. Macrophages are cells of the bodys immune system

Macrophage, SEM
Macrophage. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell. Macrophages are cells of the bodys immune system

Spleen. Artwork showing the structure of the spleen and its blood vessels. The splenic artery (red, bottom) supplies blood and the splenic vein (blue, top) drains it

TB bacteria infecting macrophages, SEM
TB bacteria infecting macrophages. Coloured scanning electron micrograph (SEM) of Mycobacterium tuberculosis bacteria (orange) invading macrophage white blood cells (pink)

Macrophage white blood cell, TEM
Macrophage white blood cell. Coloured transmission electron micrograph (TEM) of a section through a macrophage from a lymph node, showing the nucleus (red) and numerous lysosomes (black)

Liver macrophage cells, SEM
Liver macrophage cells. Coloured scanning electron micrograph (SEM) of liver macrophages, also known as Kupffer cells. Macrophages are a type of large white blood cell that recognise foreign

Human immune response, artwork
Human immune response. Computer artwork showing the interactions of the various white blood cells (purple) involved during an immune response in the human body

Macrophage cell, SEM
Macrophage cell. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell. Macrophages are cells of the bodys immune system

Immune response to chronic inflammation. Computer artwork showing the interaction of T cell, lymphocyte, and macrophage white blood cells in response to chronic inflammation of the skin (top)

Liver macrophage cell, SEM
Liver macrophage cell. Coloured scanning electron micrograph (SEM) of a liver macrophage, also known as a Kupffer cell. Macrophages are a type of large white blood cell that recognise foreign

Macrophage attacking a foreign body, SEM
Macrophage attacking a foreign body. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell (round, left) engulfing a Leishmania mexicana protozoan parasite (long, right)

Brain cells, light micrograph
Brain cells. Fluorescence light micrograph of activated microglial cells (stained for membrane co-factor protein, yellow) and oligodendrocytes (stained for myelin basic protein, red)

Lung alveolus, artwork
Lung alveolus, computer artwork. Alveoli are the site of gas exchange in the lungs of mammals, where oxygen is taken up and carbon dioxide released

Macrophage engulfing pathogen, artwork
Macrophage engulfing pathogen. Artwork of a macrophage cell (pink) engulfing a pathogen (green), a process known as phagocytosis. The pathogen will be destroyed once it has been engulfed

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Macrophages, the mighty defenders of our immune system, play a crucial role in protecting us from harmful invaders. These incredible cells are like superheroes, constantly on guard to keep us healthy. In stunning artwork and microscopic images captured by powerful electron microscopes, we get a glimpse into the fascinating world of macrophages. Dendritic cells, another type of immune cell closely related to macrophages, are depicted in beautiful artwork that showcases their intricate structure. A transmission electron microscope (TEM) image reveals the detailed morphology of a human macrophage. Its complex network of cytoplasmic extensions is truly mesmerizing. In another scanning electron microscope (SEM) image, we witness bacteria infecting a macrophage - an intense battle between pathogen and defender. The SEM also captures the moment when a tuberculosis bacterium is engulfed by a determined macrophage. This remarkable act demonstrates how these cells tirelessly eliminate threats within our bodies. An activated macrophage is showcased in yet another SEM image - its surface covered with tiny protrusions called filopodia as it prepares for action against invading pathogens or damaged tissue. But it's not just infectious agents that fall victim to the might of these phagocytic warriors; even non-living objects like beads can be engulfed by them. The versatility and efficiency of macrophages never cease to amaze. Unfortunately, sometimes our own immune system can turn against itself. In multiple sclerosis patients, SEM images reveal abnormalities in myelin-producing cells caused by misguided attacks from malfunctioning immune cells such as macrophages. As we delve deeper into understanding these remarkable guardians of health through TEM images showcasing their cellular structures and functions, we gain valuable insights into how they work tirelessly day and night to keep us safe from harm. From battling bacterial infections to defending against autoimmune diseases like multiple sclerosis – this captivating journey through various microscopy techniques highlights the extraordinary capabilities possessed by these essential components of our immune system.