Enlarged Spleen (Splenomegaly) Glossary of Terms

The following are health and medical definitions of terms that appear in the Enlarged Spleen (Splenomegaly) article.

Abdomen: The belly, that part of the body that contains all of the structures between the...

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Abdominal: Relating to the abdomen, the belly, that part of the body that contains all of ...

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Abdominal cavity: The cavity within the abdomen, the space between the abdominal wall and...

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Abdominal pain: Pain in the belly. Abdominal pain can be acute or chronic. It may reflect ...

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Abnormal: Outside the expected norm, or uncharacteristic of a particular patient.

Alcohol abuse: Use of alcoholic beverages to excess, either on individual occasions (binge...

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Analysis: In psychology, a term for conversation-based therapeutic processes used to gain ...

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Anemia: The condition of having a lower-than-normal number of red blood cells or quantity ...

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Angiography: A procedure performed to view blood vessels after injecting them with a radio...

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Anorexia: An eating disorder characterized by markedly reduced appetite or total aversion...

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Arthritis: Inflammation of a joint. When joints are inflamed they can develop stiffness, w...

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Asplenia: The absence of a spleen or one that functions. (The spleen can be functionally d...

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Bacteria: Single-celled microorganisms that can exist either as independent (free-living) ...

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Bacterial: Of or pertaining to bacteria, as in a bacterial lung infection.

Biopsy: The removal of a sample of tissue for examination under a microscope to check for ...

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Blood count: The calculated number of white or red blood cells (WBCs or RBCs) in a cubic m...

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Bone marrow: The soft blood-forming tissue that fills the cavities of bones and contains f...

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Bone marrow biopsy: The removal of a sample of bone marrow and a small amount of bone thro...

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Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, ...

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CBC: A commonly used abbreviation in medicine that stands for complete blood count, a set...

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Cell: The basic structural and functional unit of any living thing. Each cell is a small c...

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Chemotherapy: 1. In the original sense, a chemical that binds to and specifically k...

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Chest: The area of the body located between the neck and the abdomen. The chest contains t...

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Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ...

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Circulation: In medicine, the movement of fluid through the body in a regular or circuitou...

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Cirrhosis: Liver disease characterized by irreversible scarring. Alcohol and viral hepatit...

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Complete blood count: A set values of the cellular (formed elements) of blood. These meas...

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Complication: In medicine, an unanticipated problem that arises following, and is a result...

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Congestion: An abnormal or excessive accumulation of a body fluid. The term is used broadl...

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Congestive heart failure: Inability of the heart to keep up with the demands on it, with f...

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Endemic: A characteristic of a particular population, environment, or region. Examples of ...

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Endocarditis: an inflammation of one or more of the heart valves and lining tissues of the...

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Enlarged spleen: Splenomegaly, or an enlargement of the spleen. This condition can occur w...

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Fatigue: A condition characterized by a lessened capacity for work and reduced efficiency ...

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Fever: Although a fever technically is any body temperature above the normal of 98.6 F (37...

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Gastric: Having to do with the stomach.

Gaucher disease: A series of disorders that are due to deficient activity of the enzyme gl...

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Hairy cell leukemia: A rare type of chronic leukemia in which the abnormal white blood cel...

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Heart: The muscle that pumps blood received from veins into arteries throughout the body. ...

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Heart failure: Inability of the heart to keep up with the demands on it and, specifically...

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Hemorrhage: Bleeding or the abnormal flow of blood.

Hepatitis: Inflammation of the liver, irrespective of the cause. Hepatitis is caused by a ...

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Hepatitis B: Inflammation of the liver due to the hepatitis B virus (HBV), once thought to...

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Hepatitis C: Inflammation of the liver due to the hepatitis C virus (HCV), which is usuall...

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Idiopathic: Of unknown cause. Any disease that is of uncertain or unknown origin may be te...

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Idiopathic thrombocytopenic purpura: Cases of immune thrombocytopenic purpura whose cause ...

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Immune: Protected against infection, usually by the presence of antibodies.

Immune system: A complex system that is responsible for distinguishing a person from every...

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Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, an...

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ITP: Idiopathic thrombocytopenic purpura. A condition characterized by the sudden, abnorma...

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Leishmania: A group of parasites causing a disease called leishmaniasis. See also: Kala-az...

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Leukemia: Cancer of the blood cells. Strictly speaking, leukemia should refer only to canc...

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Lipid: Another word for "fat." (Please see the various meanings of fat.) A lipid is chemic...

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Liver: The largest solid organ in the body, situated in the upper part of the abdomen on t...

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Liver disease: Liver disease refers to any disorder of the liver. The liver is a large org...

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Lupus: A chronic inflammatory disease that is caused by autoimmunity. Patients with lupus ...

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Lymph: The almost colorless fluid that travels through the lymphatic system, carrying cell...

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Lymph node: One of many small, bean-shaped organs located throughout the lymphatic system....

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Lymphoma: A tumor of the lymphoid tissue. The major types of lymphoma are Hodgkin's diseas...

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Malaria: An infectious disease caused by protozoan parasites from the Plasmodium family th...

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Malignancy: A tumor that is malignant (cancerous), that can invade and destroy nearby tiss...

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Marrow: The bone marrow.

Meningococcal vaccine: A vaccine to prevent meningococcal infection, including meningococc...

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Metabolic: Relating to metabolism, the whole range of biochemical processes that occur wit...

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Microscopic: An object so small it cannot be seen without the aid of microscope (for examp...

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Mononucleosis: Infection with the Epstein-Barr virus (EBV, human herpesvirus 4, HHV-4) in...

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Mycobacterium: A large family of bacteria that have unusually waxy cell walls that are res...

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Myelofibrosis: Spontaneous scarring (fibrosis) of the bone marrow that disrupts the normal...

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Neisseria: A group of bacteria that includes the bacterium that causes gonorrhea.

Night sweats: Severe hot flashes that occur at night and result in a drenching sweat. Nigh...

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Node: Literally a knot, a node is a collection of tissue. For example a lymph node, is a ...

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Objective: In a microscope, the objective (also called the objective lens) is the lens nea...

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Obstruction: Blockage of a passageway. See, for example: Airway obstruction; Intestinal o...

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Organ: A relatively independent part of the body that carries out one or more special func...

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Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

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Palpable: Something that can be felt. For example, a palpable growth is one that can be de...

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Palpate: To touch or feel. For example, a physician may palpate the liver's edge when exam...

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Physiologic: Something that is normal, that is due neither to anything pathologic nor sign...

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Polycythemia: Too many red blood cells. The opposite of anemia. polycythemia formally exis...

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Portal vein: A large vein formed by the union of the splenic and superior mesenteric veins...

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Prophylaxis: The prevention of disease.

Purpura: Hemorrhage (bleeding) into the surface of the skin. The area of skin with purpura...

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Red blood cells: The blood cells that carry oxygen. Red cells contain hemoglobin and it is...

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Reflux: The term used when liquid backs up into the esophagus from the stomach.

Rheumatoid arthritis: An autoimmune disease characterized by chronic inflammation of joint...

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Rupture: A break or tear in any organ (such as the spleen) or soft tissue (such as the ach...

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Spleen: An organ that is located in the upper-left part of the abdomen, not far from the s...

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Splenectomy: An operation to remove the spleen.

Splenic vein: A vein formed by the union of several small veins that return blood from the...

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Splenomegaly: Abnormal enlargement of the spleen. Splenomegaly is a sign of an underlying ...

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Stomach: The digestive organ that is located in the upper abdomen, under the ribs. The upp...

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Streptococcus: A group of bacteria that causes a multitude of diseases. Under a microscope...

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Surgery: The branch of medicine that employs operations in the treatment of disease or inj...

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Thalassemia: A group of genetic disorders that involve underproduction of hemoglobin, the ...

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Thalassemia major: The dire disease also known as beta thalassemia. The clinical picture o...

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Thrombosis: The formation or presence of a blood clot in a blood vessel. The vessel may be...

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Trauma: A physical or emotional injury.

Ultrasound: High-frequency sound waves. Ultra-sound waves can be bounced off tissues by us...

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Vaccination: Injection of a killed microbe in order to stimulate the immune system against...

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Vein: A blood vessel that carries blood that is low in oxygen content from the body back t...

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Weight loss: Weight loss is a decrease in body weight resulting from either voluntary (die...

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