Eosinophil white blood cell, TEM
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Eosinophil white blood cell, TEM
Eosinophil white blood cell. Transmission electron micrograph (TEM) of a section through an eosinophil white blood cell (leukocyte). Eosinophils circulate in blood and account for only 1-2 per cent of all white blood cells. An eosinophil only survives in blood for a few days but may persist for a week or more after migration from vessels into tissues. Their main functions are to modulate inflammatory reactions and to attack and neutralise foreign or non-self entities such as bacteria and parasites by releasing powerful proteins or enzymes that disable or destroy their targets. These secretory products are stored in the many cytoplasmic granules (dark spots). Magnification: x6, 000 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9242709
© MICROSCAPE/SCIENCE PHOTO LIBRARY
Black And White Cell Biology Cytological Cytology Enzyme Enzymes Eosinophil Granular Granule Granules Granulocyte Histological Histology Immune Defence Immune System Immunity Immunological Immunology Inflammation Inflammatory Response Leucocyte Leukocyte Organelle Organelles Transmission Electron Micrograph Transmission Electron Microscope White Blood Cell Cells Section Sectioned
EDITORS COMMENTS
This print showcases the intricate structure of an eosinophil white blood cell, as captured by a transmission electron microscope (TEM). Eosinophils are a type of leukocyte that make up only 1-2 percent of all white blood cells in our bloodstream. Although their lifespan is short-lived, lasting just a few days in the blood, they can persist for up to a week after migrating into tissues. The primary role of eosinophils is to modulate inflammatory reactions and combat foreign invaders such as bacteria and parasites. They achieve this through the release of potent proteins or enzymes stored within numerous cytoplasmic granules, which are visible as dark spots in this image. These secretory products serve to disable or destroy their targets effectively. With a magnification level of x6,000 when printed at 10 centimeters wide, this photograph offers us an unprecedented glimpse into the microscopic world of cellular biology. It highlights the importance of eosinophils within our immune system's defense mechanisms while showcasing their distinct granular organelles. This stunning image not only appeals to those with an interest in science but also serves as a reminder of the incredible complexity and beauty found within our own bodies.
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