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Lymphatic pumping: mechanics, mechanisms and malfunction.
Joshua P Scallan1, Scott D Zawieja1, Jorge A Castorena-Gonzalez1
1Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, MO, USA.
The Journal of Physiology
|May 25, 2016
Summary
The lymphatic system
Area of Science:
- Physiology
- Lymphatic System Biology
Background:
- The lymphatic system is crucial for maintaining fluid balance and overall homeostasis.
- Lymph transport relies on both passive and active forces, with intrinsic lymphatic pump function being key.
Purpose of the Study:
- This review examines the mechanisms regulating intrinsic contractions of lymphatic vessels.
- It explores how these contractions enable active lymph transport and impact homeostasis.
Main Methods:
- This is a review article, synthesizing existing research on lymphatic pump mechanisms.
- It focuses on the intrinsic properties of lymphatic muscle and regulatory factors.
Main Results:
- Effective lymph propulsion depends on synchronized contractions, functional valves, and intrinsic muscle properties.
- Factors like preload, afterload, and neural influences regulate lymphatic pump function.
Conclusions:
- Dysfunction in lymphatic contraction, barriers, or valves contributes to various diseases.
- Pathologies including lymphoedema, inflammation, obesity, and inflammatory bowel disease involve lymphatic system issues.
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