spleen science definition
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- The spleen (from Greek σπλήν —splḗn) is an organ found in virtually all vertebrates. Similar in structure to a large lymph node, it acts primarily as a blood filter. The spleen plays important roles in regard to red blood cells (also referred to as erythrocytes) and the immune system. It removes old red blood cells and holds a reserve of blood, which can be valuable in case of hemorrhagic shock, and also recycles iron.
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- Home > Immune and Lymphatic Systems > Immune and Lymphatic Systems of the Lower Torso > Spleen. The spleen is a brown, flat, oval-shaped lymphatic organ that filters and stores blood to protect the body from infections and blood loss. Protected by our ribs, the spleen is located between the stomach and the diaphragm in the left hypochondriac region of the abdominal body cavity.
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The Spleen This leaflet gives a brief overview of the spleen and its functions. The spleen is an organ about the size of a clenched fist found on the left-hand side of your upper abdomen. Its main functions are to filter your blood, create new blood cells and store platelets. It is also a key part of your body's immune system.t is similar in structure to a lymph node, and is the largest lymphatic organ in the body. The spleen contains two main types of tissue-white pulp and red pulp. White pulp is lymphatic tissue (material which is part of the immune system) mainly made up of white blood cells.
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- The spleen is an important organ in the body that has a variety of responsibilities. 1  It is a major filter of blood, helping remove old and damaged red blood cells, and bacteria.
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Spleen Diseases Your spleen is an organ above your stomach and under your ribs on your left side. It is about as big as your fist. The spleen is part of your lymphatic system, which fights infection and keeps your body fluids in balance. It contains white blood cells that fight germs. Your spleen also helps control the amount of blood in your body, and destroys old and damaged cells. Certain diseases might cause your spleen to swell.
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What does an enlarged spleen mean? Spleen: a large dark-red oval organ on the left side of the body between the stomach and the diaphragm; produces cells involved in immune responses. An enlarged spleen indicates that the immunity system in your body has been compromised and needs to be strengthened as soon as possible. just now. Report Abuse. An enlarged spleen or splenomegaly is common in many blood disorders. The most common would be different types of haemolytic anaemia, where something is causing the red blood cells to rupture & these pieces get trapped in the spleen as it 'cleans' the blood.
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What is the function of the spleen? What measures does a patient have to take after a splenectomy? The spleen is a kind of nursery for developing lymphocytes during fetal life and early childhood. It is required for the maturation of the immune system. A splenectomy later on in life probably does not have any consequences.
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The spleen The spleen is an organ which is found in the left upper part of the abdomen (tummy) just under the diaphragm, and is protected by the 9th to 12th ribs.
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Picture of the Spleen front view of the spleen the spleen is an organ in the upper far left part of the abdomen to the left of the stomach the spleen varies in size and shape between people but it s commonly fist shaped purple and about 4 inches longbecause the spleen is protected by the rib cage you can t easily feel it unless it s abnormally enlargedhe spleen plays multiple supporting roles in the body it acts as a filter for blood as part of the immune system old red blood cells are recycled in the spleen and platelets and white blood cells are stored there
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Spleen The spleen (from Greek σπλήν—splḗn[1]) is an organ found in virtually all vertebrates. Similar in structure to a large lymph node, it acts primarily as a blood filter.
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splenectomy the surgical removal of the spleen. The spleen is a major phagocytic organ of the reticuloendothelial network and also serves as an important site of antibody production. Infections may follow its removal because the organ plays a vital role in the body's immune system.plenectomy sometimes necessary. In other disorders, the spleen may or may not be removed. 1  Hodgkin's disease, a serious form of cancer that causes lymph nodes to enlarge. 2  Splenectomy is often performed in order to find out how far the disease has progressed.
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What does your spleen do? The human spleen is an organ that creates lymphocytes for the destruction and recycling of old red-blood cells. The spleen is also a blood reservoir. It supplies the body with blood in emergencies such as a bad cut. The spleen is also the location where white blood cells trap organisms.The spleen is shaped like a loose fist and is tucked under the left side of the diaphragm. The average weight of an adult spleen is 0.44 lbs. During and after digestion, the size of the spleen increases.he spleen is also a blood reservoir. It supplies the body with blood in emergencies such as a bad cut. The spleen is also the location where white blood cells trap organisms. The spleen is shaped like a loose fist and is tucked under the left side of the diaphragm. The average weight of an adult spleen is 0.44 lbs.
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Spleen The spleen is a brown, flat, oval-shaped lymphatic organ that filters and stores blood to protect the body from infections and blood loss. Protected by our ribs, the spleen is located between the stomach and the diaphragm in the left hypochondriac region of the abdominal body cavity. The splenic artery branches off from the aorta and the celiac trunk to deliver oxygenated blood to the spleen, while the splenic vein carries deoxygenated blood away from the spleen... Anatomy Explorer.
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What is the function of the spleen? What measures does a patient have to take after a splenectomy? The spleen is a lymphoid organ located in the abdomen. It's functions may be broadly separated into two groups. 1. Culling and removal of old or senescent red blood cells once they are near the end of their life span. 2. Immune function - synthesis of antibodies and other components of the immune system such as opsonins.
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What does it mean to have an enlarged spleen? Many disorders can cause enlargement of the spleen. The spleen is a small organ about the size of your fist located just below your rib cage on your left side. Its main functions are to fight infection and filter unwanted material, such as defective cells, from your blood. An enlarged spleen often causes no symptoms.
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Splenomegaly - definition, causes and symptoms What is Splenomegaly, Definition and Causes. An enlarged SPLEEN. Splenomegaly signals an underlying health condition and is not itself a disorder. The spleen is a structure of lymphatic tissue. One of its key roles is to remove old or damaged BLOOD cells from circulation. Many circumstances and health conditions that cause increased numbers of blood cells in the circulation can also cause splenomegaly.
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spleen 1. 1  a highly vascular, glandular, ductless organ, situated in humans at the cardiac end of the stomach, serving chiefly in the formation of mature lymphocytes, in the destruction of worn-out red blood cells, and as a reservoir for blood. 2  Obsolete.
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- The spleen is a relatively large organ with wide-ranging and various functions. The spleen is a relatively large organ with wide-ranging and various functions. In general, the spleen is tongue shaped, has a mottled reddish brown color and occupies the left cranial quadrant of the abdomen.
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What is spleen removal? We're sorry, an error occurred. Your spleen is a small organ located on the left side of your abdomen, under the rib cage. This organ is part of your immune system and helps to fight off infections while also filtering damaged and old cells out of your bloodstream.
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- The spleen is an organ about the size of a clenched fist found on the left-hand side of your upper abdomen. Its main functions are to filter your blood, create new blood cells and store platelets. It is also a key part of your body's immune system.
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The spleen and its role in immune function Essentially, the spleen is a storage container and filter for blood, though it is part of the lymphatic system. In fact, it’s the largest lymph node in the body. One of its tasks is to remove harmful bacteria and viruses in the blood stream.
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accessory spleen a large lymphoid organ usually situated in the cranial part of the abdominal cavity on the left of the stomach. The spleen contains the largest collection of reticuloendothelial cells in the body. In ruminants the spleen is located on the left lateral wall of the reticulum and under the last two ribs on the left side. Called also lien. accessory spleen. a small mass of tissue, histologically and functionally identical with that composing the normal spleen but found elsewhere in the body.
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Medical Terminology for Cancer It produces lymphocytes, is important for T cell maturation (T for thymus-derived). Spleen. The spleen is an organ in the upper left abdomen, which filters blood, disposes of worn-out red blood cells, and provides a 'reserve supply' of blood. It contains both red tissue, and white lymphatic tissue. Different parts of the the spleen specialize in different kinds of immune cells.
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Spleen Location, Anatomy and Function The spleen is a spongy oval-shaped organ and is roughly the size of a person’s fist. It is located in the left upper quadrant (hypochondrium) of the abdomen, just under the left ribcage. The spleen has many important functions in the body involving the storage of blood and immune activity but it is not a vital organ.