Macrophage Collection

Dendritic cells, artwork. Dendritic cells, a type of white blood cell, are called antigen presenting cells (APCs) and are found in the bodys tissues

Bacteria infecting a macrophage, SEM
Bacteria infecting a macrophage. Coloured scanning electron micrograph (SEM) of Mycobacterium tuberculosis bacteria (purple) infecting a macrophage white blood cell

TEM of human macrophage

Macrophage engulfing TB bacteria, SEM
Macrophage engulfing TB bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell (purple) engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (pink)

Activated macrophage, SEM C015 / 6375
Activated macrophage. Coloured scanning electron micrograph (SEM) of an active macrophage white blood cell. Macrophages are cells of the bodys immune system that are found in the tissues rather than

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

Macrophage engulfing bead
Illustration based on a scanning electron micrograph of a human macrophage phagocytosing (engulfing) a latex bead. Macrophages are monocytes from circulating blood that have migrated to tissues

Bacteria infecting a macrophage, SEM
Bacteria infecting a macrophage. Coloured scanning electron micrograph (SEM) of Mycobacterium tuberculosis bacteria (purple) infecting a macrophage white blood cell

Histopathology and pathophysiology of diabetic food ulcers

Lung alveoli tree
Antique illustration of a Lung alveoli tree

HIV infected macrophage, SEM C018 / 8598
HIV infected macrophage. Coloured ion-abrasion scanning electron micrograph (IA-SEM) of a macrophage white blood cell infected with human immunodeficiency virus (HIV, red)

Macrophage and lymphocytes, TEM
Macrophage and lymphocytes, transmission electron micrograph (TEM). Macrophage surrounded by lymphocytes in a lymph node. This view includes many intercellular contacts

Pulmonary alveolus
Antique illustration of a Pulmonary alveolus

Heart with arteries showing cholesterol in one and plaque in the other
Heart with arteries showing cholesterol in one artery and atherosclerotic plaque in the other

Arteries on heart showing atherosclerotic plaque in an artery

Build-up of atherosclerotic plaque in an artery

Acute coronary syndrome - microvascular obstruction

Interior view of heart with detail of muscle cells and atherosclerotic artery. Chest x-ray in background

Thrombus forming on valve within vein

Normal artery compared to plaque and thrombus formation in artery

Artery showing atherosclerotic plaque, platelets and red blood cells
Close-up of artery showing atherosclerotic plaque, platelets and red blood cells

Conceptual image of cancer virus

Microscopic view of a group of macrophages. Macrophages contribute to tumor growth and progression. Attracted to oxygen-starved (hypoxic) and necrotic tumor cells they promote chronic inflammation

3D rendering of macrophage phagocytosis

Microscopic view of phagocytic macrophages, which are involved in the immune response within the body

Microscopic view of cancer virus

Isolated cancer cell Macrophage. Macrophages contribute to tumor growth and progression. Attracted to oxygen-starved (hypoxic) and necrotic tumor cells they promote chronic inflammation

Surface of HIV infected microphage
3D representation of the surface and interior of an HIV-infected macrophage obtained using newly developed tools for 3D imaging using ion-abrasion scanning electron microscopy

Torn muscle fibers with healing stages surrounding. 1. Macrophage clean-up. 2. New cells migrate to repair. 3. Cells differentiate to become muscle cells

Human Digestive System, Macrophage under microscope
Medicine - Human Histology - Digestive system - Macrophage under microscope

Activated macrophage, SEM F006 / 8635
Activated human macrophage, coloured scanning electron micrograph (SEM). Magnification: x2, 700 when printed at 10 centimetres wide

Activated macrophage, SEM F006 / 8634
Activated human macrophage, coloured scanning electron micrograph (SEM). Magnification: x2, 700 when printed at 10 centimetres wide

White blood cell antigen presentation C016 / 9058
White blood cell antigen presentation. Coloured scanning electron micrograph (SEM) showing the interaction between a macrophage (yellow) and a T helper lymphocyte (Th cell, green)

Microglial white blood cell, SEM C016 / 9115
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Shigella bacterium and macrophage, SEM C016 / 8922
Shigella bacterium. Coloured scanning electron micrograph (SEM) of a Shigella sp. bacterium (orange) being engulfed by a macrophage white blood cell. This process is called phagocytosis

Shigella bacterium and macrophage, SEM C016 / 8924
Shigella bacterium. Coloured scanning electron micrograph (SEM) of a Shigella sp. bacterium (green) being engulfed by a macrophage white blood cell. This process is called phagocytosis

Microglial white blood cell, SEM C016 / 9119
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cell, SEM C016 / 9117
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cell, SEM C016 / 9109
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Shigella bacterium and macrophage, SEM C016 / 8923
Shigella bacterium. Coloured scanning electron micrograph (SEM) of a Shigella sp. bacterium (orange) being engulfed by a macrophage white blood cell. This process is called phagocytosis

White blood cell antigen presentation C016 / 9057
White blood cell antigen presentation. Coloured scanning electron micrograph (SEM) showing the interaction between a macrophage (red) and a T helper lymphocyte (Th cell, yellow)

Microglial white blood cell, SEM C016 / 9114
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cells, SEM C016 / 9113
Microglial white blood cells. Coloured scanning electron micrograph (SEM) of microglial cells. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cell, SEM C016 / 9118
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cells, SEM C016 / 9111
Microglial white blood cells. Coloured scanning electron micrograph (SEM) of microglial cells. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cells, SEM C016 / 9112
Microglial white blood cells. Coloured scanning electron micrograph (SEM) of microglial cells. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cell, SEM C016 / 9116
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Macrophage white blood cells, TEM
Macrophage white blood cells. Transmission electron micrograph (TEM) of a section through two macrophages located within connective tissue, showing the nuclei and numerous lysosomes (dark spots)

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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.