IMMUNOLOGIC DISEASES Meaning and
Definition
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Immunologic diseases, also known as immune disorders or immune-mediated diseases, are a class of medical conditions characterized by dysfunction, abnormalities, or dysregulation of the immune system. The immune system plays a crucial role in defending the body against harmful substances, such as pathogens or cancer cells, through a complex network of cells, tissues, and organs.
Immunologic diseases result from either an overactive or underactive immune response, leading to a compromised ability to detect and eliminate foreign or abnormal cells or molecules. Overactive immune responses can manifest as autoimmunity, where the immune system mistakenly attacks the body's own tissues, resulting in diseases like rheumatoid arthritis, lupus, or multiple sclerosis. Underactive immune responses, on the other hand, can lead to increased susceptibility to infections and diseases, such as primary immunodeficiencies or acquired immunodeficiency syndrome (AIDS).
Symptoms of immunologic diseases can vary widely depending on the specific condition and affected body system. Common signs may include chronic inflammation, recurrent infections, abnormal immune cell counts, organ damage, fatigue, and allergic reactions. Diagnosis often involves a combination of medical history, clinical examination, laboratory tests, imaging studies, and sometimes, a biopsy.
Treatment for immunologic diseases aims to modulate or regulate the immune response, depending on whether it is overactive or underactive. This can involve medications that suppress or enhance immune function, lifestyle modifications, physical therapy, or in severe cases, stem cell transplants. Additionally, managing symptoms, preventing complications, and improving quality of life are important aspects of immunologic disease management.
Common Misspellings for IMMUNOLOGIC DISEASES
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Etymology of IMMUNOLOGIC DISEASES
The word "immunologic diseases" is composed of two components: "immunologic" and "diseases".
The term "immunologic" is derived from the word "immune", which comes from the Latin word "immunis" meaning "exempt, free". It originally referred to a state of protection or exemption from something, particularly diseases. The suffix "-ic" is added to "immune" to form an adjective, indicating that it relates to or is characteristic of the immune system.
The word "diseases" comes from the Old French word "desaise" meaning "lack of ease" or "discomfort". Over time, it evolved to refer to a specific condition that impairs normal functioning of the body.
Therefore, the term "immunologic diseases" refers to conditions or disorders that affect the immune system's normal functioning and can cause various health issues or discomfort.
