Lymphatics
Lymphatics
Lymphatics (pronunciation: lim-fat-iks) is a complex network of vessels, tissues, and organs in the body that help to maintain fluid balance, defend the body against disease, and absorb lipids from the intestine.
Etymology
The term "lymphatics" is derived from the Latin word "lympha," which means water, reflecting the clear, water-like appearance of lymph fluid.
Function
The primary function of the lymphatics is to transport a fluid called lymph throughout the body. This fluid contains white blood cells, particularly lymphocytes, which play a crucial role in the body's immune response. The lymphatics also absorb and transport fats from the digestive system to the bloodstream.
Structure
The lymphatic system is composed of lymphatic vessels, lymph nodes, and lymphatic organs.
- Lymphatic vessels are similar to blood vessels and carry lymph fluid throughout the body. They are connected to lymph nodes, which filter the lymph fluid.
- Lymph nodes are small, bean-shaped structures that produce and store cells that fight infection and disease. They are located throughout the body, with large groups found in the neck, armpits, and groin.
- Lymphatic organs include the thymus, spleen, and tonsils, which play various roles in producing and maturing lymphocytes and filtering blood.
Related Terms
- Lymph: A clear, colorless fluid that circulates through the lymphatic system.
- Lymphocyte: A type of white blood cell that is part of the immune system.
- Lymph node: A small, bean-shaped structure that filters substances in lymph and helps fight infection and disease.
- Lymphatic vessel: A thin tube that carries lymph and white blood cells throughout the body.
- Thymus: A lymphatic organ where T cells mature.
- Spleen: An organ that filters blood, stores blood cells, and destroys old cells.
- Tonsils: Lymphatic tissues in the throat that help protect against infection.
External links
- Medical encyclopedia article on Lymphatics
- Wikipedia's article - Lymphatics
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