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SEM of a macrophage cell moving over a surface
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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 organisms. Macrophages migrate to tissues, notably to the lymphatic system and lungs; certain types of macrophage migrate to sites of infection. In an active state, as here, the cell spreads out using its frilly cytoplasm as arms to draw itself along the substrate, to seek and engulf particles. In addition to a scavenging role, macrophages can detect antigenic (foreign) substances during the initial stage of the bodys immune response. Magnification: x5, 000 at 8x10ins, x714 at 35mm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6421222
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Active Defence Immune Immunology Macrophage Monocyte System Cells
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This print from Science Photo Library showcases the intricate world of macrophage cells in action. The scanning electron micrograph (SEM) captures a macrophage cell gracefully moving over a surface, revealing its vital role in defending our bodies against foreign organisms. Macrophages are monocytes found in our circulating blood that migrate to various tissues, particularly the lymphatic system and lungs. Some types of macrophages even travel to sites of infection, highlighting their remarkable ability to detect and combat invading pathogens. In this active state depicted here, the macrophage extends its frilly cytoplasmic arms like delicate tendrils, propelling itself along the substrate as it seeks out and engulfs particles. This process not only serves as a scavenging mechanism but also allows macrophages to identify antigenic substances during the initial stages of our body's immune response. The magnification provided by Science Photo Library offers us an up-close look at this fascinating cellular activity. At 5,000 times magnification for an 8x10-inch print or 714 times magnification for a 35mm size image, we can truly appreciate the intricacies of these defense cells within our human anatomy. Immerse yourself in the wonders of immunology with this mesmerizing SEM print that beautifully captures the dynamic nature and importance of macrophages in safeguarding our well-being.
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