Macrophage cell engulfing bacteria, TEM

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Macrophage cell engulfing bacteria, TEM

Macrophage cell engulfing bacteria. Coloured transmission electron micrograph (TEM) of bacteria (centre, rod-shaped) inside a macrophage cell. The macrophage cell (a type of white blood cell) has engulfed the bacteria in a process that is called phagocytosis. The bacteria are contained in a structure called a vacuole (pale yellow), which is distinct from the surrounding cell cytoplasm (orange). The bacteria will be digested by enzymes from cellular storage structures called lysosomes (not seen). The bacteria are tuberculosis bacteria (Mycobacterium tuberculosis), most often found infecting the lungs

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Media ID 6421260

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Antigen Bacilli Bacillus Bacteria Bacterial Bacteriology Bacterium Cytology Defence Defending Destroying Digesting Engulfed Engulfing False Colour Immune Immune System Immunology Killing Lung Macrophage Micrograph Mycobacterium Tuberculosis Pathological Pathology Phagocytic Phagocytosis Respiration Respiratory System Transmission Electron Microgra Transmission Electron Microscope Trio Tuberculosis Vacuole White Blood Cell Cells Eliminating False Coloured Micro Biology Microbiological

EDITORS COMMENTS
This print showcases the incredible defense mechanism of a macrophage cell engulfing bacteria. The colored transmission electron micrograph (TEM) reveals the intricate details of this process, providing a glimpse into the fascinating world of cellular biology. At the center of the image, rod-shaped bacteria can be seen enclosed within a macrophage cell. This type of white blood cell acts as a frontline defender in our immune system and has successfully captured these tuberculosis bacteria through phagocytosis. The pale yellow vacuole containing the bacteria stands out against the orange cytoplasm surrounding it. As we delve deeper into this microscopic scene, we discover that enzymes from lysosomes, hidden from view in this image, will soon digest these invaders. This crucial event plays an essential role in eliminating harmful pathogens from our bodies. The false-colored representation enhances our understanding of this complex interaction between host and pathogen. It serves as a reminder of how our immune system tirelessly works to protect us against infectious diseases such as tuberculosis. This remarkable photograph not only highlights the beauty found within biological systems but also emphasizes their vital importance for human health. Through its scientific lens, it invites us to appreciate both the resilience and vulnerability inherent in our own bodies' defense mechanisms.

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