Lymphatic vessels
Lymphatic Vessels
Lymphatic vessels (pronunciation: lim-FAT-ik VES-els) are a part of the lymphatic system that transport lymph throughout the body.
Etymology
The term "lymphatic" is derived from the Latin word "lympha," which means "connected to water," while "vessel" comes from the Old French "vessel," which means "container or tube for liquids."
Function
Lymphatic vessels are responsible for the absorption and transport of excess fluid, known as lymph, from the body tissues back to the bloodstream. They also play a crucial role in the body's immune system, as they transport white blood cells and antigens to the lymph nodes for immune response.
Structure
Lymphatic vessels are similar to blood vessels, but they have thinner walls and larger diameters. They are composed of three layers: the tunica intima, the tunica media, and the tunica adventitia. The vessels begin as microscopic, blind-ended lymph capillaries that merge to form larger lymphatic vessels.
Related Terms
- Lymph: The clear fluid that travels through the lymphatic system and carries cells that help fight infections and other diseases.
- Lymph Nodes: Small, bean-shaped structures that produce and store cells that fight infection and disease.
- Lymphatic System: The network of tissues and organs that help rid the body of toxins, waste and other unwanted materials.
External links
- Medical encyclopedia article on Lymphatic vessels
- Wikipedia's article - Lymphatic vessels
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