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- Dictionaryspleen/spliːn/
noun
- 1. an abdominal organ involved in the production and removal of blood cells in most vertebrates and forming part of the immune system.
- 2. bad temper; spite: "he could vent his spleen on the institutions which had duped him"
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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). [1] The spleen plays very important roles in regard to red blood cells (erythrocytes) and the immune system. [2]
Oct 4, 2019 · Spleen Definition. 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.
Apr 29, 2021 · Your spleen is a small organ that sits inside your left rib cage, just above your stomach. In adults, the spleen is about the size of an avocado. The spleen is part of your lymphatic system (which is part of your immune system). It does several important jobs to keep your body healthy.
SPLEEN definition: 1. an organ near the stomach that produces and cleans the body's blood 2. a feeling of anger and…. Learn more.
Apr 9, 2024 · The spleen is a vital organ located on the left side of the body, beneath the diaphragm. It is a large, bean-shaped organ enclosed in a protective covering. Unlike lymph nodes, the spleen does not have lymphatic drainage and instead contains a substantial number of red blood cells.
Nov 3, 2023 · 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.
Oct 24, 2024 · 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.
The meaning of SPLEEN is a highly vascular ductless organ that is located in the left abdominal region near the stomach or intestine of most vertebrates and is concerned with final destruction of red blood cells, filtration and storage of blood, and production of lymphocytes.
Sep 28, 2024 · The spleen is a soft, highly vascular, fist-sized organ that plays a vital role in the lymphatic and circulatory systems. It is encased in a fibrous capsule and consists of two main types of tissue—red pulp and white pulp—which perform distinct functions related to blood filtration and immune response.
Jun 16, 2022 · Anatomy. In adults, the spleen is a purple organ that is about the size of a clenched fist. Structure. The visceral peritoneum, a smooth membrane that’s composed of two layers of cells, covers the spleen. The membrane secretes fluid and serves a protective function.
