Macrophage engulfing bead
Wall Art and Photo Gifts from Science Photo Library
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, notably in lymphatic system & lungs; certain types migrate to sites of infection in response to chemical stimuli. In addition to a scavenging role, the macrophage is capable of processing antigenic (foreign) substances during initial phase of immune response. Processed antigens are presented on the macrophages surface so they might be recognized and possibly ultimately eliminated by specific lymphocytes
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6421196
© FRANCIS LEROY, BIOCOSMOS/SCIENCE PHOTO LIBRARY
Defence Immune Immunology Macrophage Phagocytosis System Cells
EDITORS COMMENTS
This print showcases the incredible power of a macrophage, a type of white blood cell found in our bodies. The image is an illustration based on a scanning electron micrograph, depicting a human macrophage engulfing a latex bead. Macrophages play a crucial role in our immune system by acting as first responders to potential threats. Originating from circulating monocytes, these cells migrate to various tissues throughout the body, with notable concentrations in the lymphatic system and lungs. When chemical signals indicate an infection or foreign substance present, certain types of macrophages rush to those sites. In addition to their scavenging function, macrophages possess another remarkable ability – they can process antigenic substances during the initial phase of an immune response. This means that they break down foreign particles and display fragments on their surface for recognition by specific lymphocytes. The intricate process depicted here is known as phagocytosis: "cell eating". It highlights how macrophages envelop and digest invading pathogens or other harmful materials like this latex bead. This print from Science Photo Library serves as both educational and awe-inspiring artwork. It reminds us of the complex defense mechanisms within our own bodies while showcasing the beauty hidden at microscopic levels.
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