LYMPHOID TISSUE Meaning and
Definition
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Lymphoid tissue refers to a specialized type of connective tissue that is vital for the proper functioning of the immune system in vertebrates, including humans. It is primarily composed of lymphocytes, a type of white blood cell, along with other supporting cells and extracellular matrix components.
Lymphoid tissue is widely distributed throughout the body, mainly in lymphoid organs such as the lymph nodes, tonsils, spleen, and thymus gland. It can also be found in smaller aggregates called lymphoid follicles, which are scattered in various mucosal linings, such as the gastrointestinal and respiratory tracts.
This tissue plays a crucial role in immune surveillance and response. Lymphocytes, the principal cell type found in lymphoid tissue, are responsible for identifying and eliminating foreign substances, such as pathogens or abnormal cells, to maintain the body's overall health. B lymphocytes produce antibodies, while T lymphocytes have various functions, including directly recognizing and destroying infected or damaged cells.
The structure of lymphoid tissue is designed to facilitate immune processes. It typically consists of dense aggregations of lymphocytes surrounded by mesh-like networks of reticular fibers. This arrangement allows for the efficient circulation of lymphatic fluid, which carries immune cells and nutrients throughout the tissue.
In summary, lymphoid tissue is the specialized connective tissue that contains lymphocytes and other supporting cells, forming an integral part of the immune system. It serves as a primary site for immune cell development, activation, and coordination, crucial for protecting the body against pathogens and maintaining overall health.
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• A tissue composed of a connective-tissue framework containing lymphoid cells in its meshes.
• Retiform t. in which the meshes of the network of white fibers are filled with lymphoid cells, or lymph-corpuscles.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for LYMPHOID TISSUE
- kymphoid tissue
- pymphoid tissue
- oymphoid tissue
- ltmphoid tissue
- lgmphoid tissue
- lhmphoid tissue
- lumphoid tissue
- l7mphoid tissue
- l6mphoid tissue
- lynphoid tissue
- lykphoid tissue
- lyjphoid tissue
- lymohoid tissue
- lymlhoid tissue
- lym-hoid tissue
- lym0hoid tissue
- lympgoid tissue
- lympboid tissue
- lympnoid tissue
Etymology of LYMPHOID TISSUE
The word "lymphoid" originates from the combination of two Latin words: "lympha" meaning "clear fluid" or "water", and "oeides" meaning "resembling" or "like". "Lymphoid" thus refers to something that resembles or is similar to lymph fluid.
The term "tissue" comes from the Old French word "tissu", meaning "something woven". In Latin, the word "tessitura" means "texture" or "weaving". In the context of biology and anatomy, tissue refers to a group of cells that perform a specific function and are similar in structure and origin.
Therefore, the etymology of the term "lymphoid tissue" can be understood as a collection of cells that resemble or are similar to lymph in their structure, function, or origin.
Similar spelling words for LYMPHOID TISSUE
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