lymphatic vessel
Học thuậtThân thiện
Definition
Noun: A lymphatic vessel is a thin-walled tube that is part of the lymphatic system. Its primary function is to collect and transport lymph, a clear fluid containing white blood cells, from body tissues back into the bloodstream via the venous circulation.
Usage
Lymphatic vessels form a network throughout the body, similar to blood vessels. They are responsible for returning excess tissue fluid, proteins, and other substances to the circulatory system and are a key component of the body's immune defense.
Examples
- The surgeon was careful not to damage any lymphatic vessels during the procedure.
- Blockage of a lymphatic vessel can lead to swelling, a condition known as lymphedema.
- Lymph nodes are strategically located along the pathways of lymphatic vessels.
Advanced Usage
- Lymphangiogram: A medical imaging technique used to visualize lymphatic vessels and nodes.
- Lymphangiectasia: A condition characterized by dilation or enlargement of the lymphatic vessels.
Variants and Related Words
- Lymphatic (adjective): Pertaining to lymph, its vessels, or the lymphatic system. (e.g., ).
- Lymph duct: A major lymphatic vessel, such as the thoracic duct or the right lymphatic duct, which empties lymph into large veins.
- Lymph capillary: The smallest type of lymphatic vessel, which initially absorbs lymph from tissues.
Synonyms
- Lymph duct
- Lymphatic duct
Related Phrases and Terms
- Lymphatic system: The entire network of organs, nodes, and vessels, including lymphatic vessels, that produces and transports lymph.
- Afferent lymphatic vessel: A vessel that carries lymph a lymph node.
- Efferent lymphatic vessel: A vessel that carries lymph a lymph node.
Noun
- a vascular duct that carries lymph which is eventually added to the venous blood circulation