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The spleen is an organ found in almost all vertebrates. Similar in structure to a large lymph node, it acts primarily as a blood filter. The word spleen comes from Ancient Greek σπλήν (splḗn). The spleen plays very important roles in regard to red blood cells .
The spleen is a small organ inside your left rib cage, just above the stomach. It’s part of the lymphatic system (which is part of the immune system). The spleen stores and filters blood and makes white blood cells that protect you from infection. Many diseases and conditions can affect how the spleen works.
2021年12月13日 · The spleen filters your blood and also stores your red blood cells, platelets, and white blood cells. But if your spleen is removed, other parts of the lymphatic system can take over these...
2023年2月14日 · The spleen plays a role in the immune system and the blood. We will explain what the spleen does, the types of cells involved, and what happens when it goes wrong.
2023年11月3日 · 1/4. Synonyms: Lien. The spleen is the largest organ of your lymphatic system, a subdivision of the immune system. Its network of trabeculae, blood vessels and lymphoid tissue provides an environment in which white blood cells ( lymphocytes) proliferate while old damaged red blood cells (erythrocytes) are recycled.
2022年6月16日 · Function. As part of the lymphatic system, the spleen serves multiple major and inter-related functions involving the body’s blood supply. It plays an important role in immune function and in recycling RBCs. Red pulp: This part of the organ filters blood, removing foreign bodies, microbes, and faulty RBCs.
2019年10月4日 · The spleen is a small organ, typically located on the left side of the body, behind the ribcage and stomach. It is the largest organ in the body's lymphatic system, which is responsible for promoting immune function, filtering the blood, and managing blood volume.
Reviewed/Revised Mar 2023. VIEW PROFESSIONAL VERSION. The spleen, a spongy, soft organ about as big as a person’s fist, is located in the upper left part of the abdomen, just under the rib cage. The splenic artery brings blood to the spleen from the heart.
2024年4月2日 · white pulp. red pulp. splenic lymph follicle. spleen, organ of the lymphatic system located in the left side of the abdominal cavity under the diaphragm, the muscular partition between the abdomen and the chest. In humans it is about the size of a fist and is well supplied with blood.
By Harry S. Jacob, MD, DHC, University of Minnesota Medical School. Reviewed/Revised Mar 2023. By structure and function, the spleen is essentially 2 organs: The white pulp, consisting of periarterial lymphatic sheaths and germinal centers, acts as an immune organ.
