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Lymph node
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Lymph node
Illustration of a sectioned, whole human lymph node. Lymph nodes are encapsulated, kidney shaped structures that are usually located at intervals along lymph vessels. Functions include " filtration" of lymph by scavenging macrophages, production & storage of both antibody-secreting B- lymphocytes involved in humoral immunity, and of T-lymphocytes involved in the cell-mediated immune response. A labyrinth of cells and cell processes in the inner medullary sinuses serves to slow the flow of fluid through the node & so encourage the actions of lymphatic cells involved in the immune response processes
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6421374
© JOHN BAVOSI/SCIENCE PHOTO LIBRARY
Immune Immune System Immunology Lymph Lymph Node Lymphatic Macrophage System White Blood Cells
EDITORS COMMENTS
This print from Science Photo Library showcases the intricate beauty of a sectioned, whole human lymph node. The lymph node is an encapsulated, kidney-shaped structure that can be found at intervals along lymph vessels in our body. Its functions are multifaceted and essential to our immune system's efficiency. One crucial role of the lymph node is to filter lymph by utilizing scavenging macrophages. These specialized cells help eliminate harmful substances and pathogens from the fluid, ensuring its purity before it reenters circulation. Additionally, this remarkable organ plays a pivotal part in both humoral immunity and cell-mediated immune responses. Within the inner medullary sinuses lies a labyrinth of cells and cell processes that serve as a barrier, slowing down the flow of fluid through the node. This deliberate deceleration encourages optimal interaction between various types of lymphatic cells involved in mounting effective immune responses. The image beautifully captures not only the anatomical complexity but also highlights key components such as white blood cells responsible for combating infections and diseases within these nodes. It serves as a testament to the intricacy and sophistication of our immune system's defense mechanisms. Science Photo Library has once again provided us with an awe-inspiring illustration that invites us to marvel at nature's design while deepening our understanding of immunology and human anatomy.
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