The spleen is a small organ, typically located on the left side of the body, behind the ribcage and stomach. Bull. The structure of the spleen enables it to remove older erythrocytes from the circulation and leads to the efficient removal of blood-borne microorganisms and cellular debris. The spleen is surrounded by a capsule composed of dense fibrous tissue, elastic fibers, and smooth muscle. The spleen is an organ located in the upper left abdomen, and is roughly the size of a clenched fist. Spleen and thymus. Start studying Lymph node/ Spleen Structure and Function. Lymph contains disease-fighting cells called lymphocytes, which are supplied by the lymphatic system. 352 38th FORUM IN IMMUNOLOGY Structure and function of the chicken spleen S.H.M. This encapsulated organ is situated in the left upper quadrant of the abdomen. Lymphatic system, network of vessels and other tissues, including the tonsils, spleen, and thymus, that maintains fluid balance and fights infection. Spleen has an oval shape, with a length of approximately 12 cm (5 inches), a width of 7 cm and 4 cm tall, and weighs about 150 g. Spleen normally can not be in touch except when there is enlargement of the spleen (spleenomegali). The spleen has many roles; it filters the blood and removes old, abnormal, and damaged red blood cells. Many diseases and disorders of the spleen start with “Splen-” for example splenomegaly means enlargement of the spleen. The spleen is encased in a thick connective-tissue capsule. Extracellular fluid in the lymphatic system is known as lymph. Spleen (lien) is the largest lymphoid tissue in the body and specialised, been-shaped organ for filtering blood. In early childhood, it plays a major role in building and maintaining the immune system. Normal structure and function Anatomy. It is a highly vascular haemopoietic organ situated in the left hypochondrium directly beneath the […] The spleen is an organ in the left upper abdomen. Before birth, the spleen also helps producing blood cells. Its function is to filter the blood. Spleen Definition. This function, in combination with a highly organized lymphoid compartment, makes the spleen the most important organ for antibacterial and antifungal immune reactivity. Spleen Definition: The spleen can be defined as the largest gland of the lymphatic system, located to the left of the stomach, which helps your body combat diseases and get rid of debris.. The spleen is part of your body’s lymphatic system. Functions. Below is information about the structure and function of the feline spleen. Its job is to process old and damaged blood cells and microorganisms. Murata, H., Comparative studies of the spleen in submammalian vertebrates II. The lymphatic system is the system of ducts and lymph nodes which are found under the skin. The diaphragm separates the spleen from the pleura and ribs 9–11 posteriorly. Normal Structure, Function, and Histology of the Spleen MARK F. C ESTA Integrated Laboratory Systems, Inc., Durham, North Carolina 27713, USA ABSTRACT The spleen is the largest secondary immune organ in the body and is responsible for initiating … by Microb Life. These zones are at once arterial and nervous units. The white pulp is composed of three sub-compartments: the periarteriolar lymphoid sheath (PALS), the follicles, and the marginal zone. An enlarged spleen can be detected by physician examination or via diagnostic imaging. Not sure what you have been told but need to see an immunologist. of Virology, Houtribweg 39, 8221 RA Lelystad (The Netherlands) General architecture In the chicken spleen, the dis- tinction between red and white pulp is less sharp than in mam- mals. Anatomically, the edge of a normal spleen shaped flat. Histological structure of the spleen Stroma. The spleen is a soft, spongy organ of the lymphatic system. The spleen combines the innate and adaptive immune system in a uniquely organized way. It … Location and Structure of Spleen: Spleen lies in between the fundus of the stomach and the diaphragm. The spleen is the largest organ of the lymphatic system.Located in the upper left region of the abdominal cavity, the spleen's primary function is to filter blood of damaged cells, cellular debris, and pathogens such as bacteria and viruses.Like the thymus, the spleen houses and aids in the maturation of immune system cells called lymphocytes. We will tell you about the general structure of the spleen, how the spleen works in dogs, common diseases that affect the spleen and common diagnostic tests performed in dogs to evaluate the spleen. Minute structure of the spleen with special reference to the periarterial lymphoid sheath. The adult spleen weighs ∼100–150 g, the size of a cupped hand. Jeurissen Central Veterinary Institute, Dept. Also learn about its functions. The spleen is an organ found in virtually 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).. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Blood Circulation in Spleen 3. Thymus- Structure and Functions. The spleen. 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.. Histologically, the spleen is formed of stroma and parenchyma. Overview. The spleen can become enlarged as a result of infection, anemia or cancer. It serves two general functions in adults:1.Fights infection. Yamaguchi med. Google Scholar We will tell you about the general structure of the spleen, how the spleen works in dogs, common diseases that affect the spleen and common diagnostic tests performed in dogs to evaluate the spleen. 2. The protective function of the spleen is also carried out through its ability to phagocytose foreign particles and microorganisms. The spleen is an approximately 5-inch by 3-inch organ that is located in the upper left abdominal area. The spleen is surrounded by a thin capsule covered by peritoneum (mesothelial cells). The spleen is soft, highly vascular and dark purple in colour. We will tell you about the general structure of the spleen, how the spleen works in cats, common diseases that affect the spleen, and common diagnostic tests performed in cats to evaluate the spleen. This function, in combination with a highly organized lymphoid compartment, makes the spleen the most important organ for antibacterial and antifungal immune reactivity. 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