47.7 MB (3.6 MB compressed)
4079 x 4088 pixels
34.5 x 34.5 cm ⏐ 13.6 x 13.6 in (300dpi)
D. PHILLIPS / SCIENCE PHOTO LIBRARY D. PHILLIPS / SCIENCE PHOTO LIBRARY
Immune System: Human macrophage ingesting pseudomonas. Macrophages are white blood cells (leukocytes) or mononuclear phagocytes that ingest bacteria as part of the immune response to infection. Pseudomonas is a widespread soil bacterium which acts as an opportunic pathogen. This bacteria is pathogenic in humans, but mainly restricted to opportunistic infections in compromised hospital patients.
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