Which assists lymph drainage through pressure changes?

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Multiple Choice

Which assists lymph drainage through pressure changes?

Pressure changes produced by muscle movement drive lymph drainage. When skeletal muscles contract, they squeeze nearby lymphatic vessels, increasing the internal pressure and pushing lymph forward. One-way valves inside the lymphatics prevent backflow, so this rhythmic “muscle pump” moves lymph toward the central veins. There isn’t a dedicated heart-like pump for the lymphatic system, so movement of the muscles is the key force propelling lymph. While plasma and capillary pressure relate to other parts of fluid balance, they don’t provide the primary mechanism that actively propels lymph through the vessels.

Pressure changes produced by muscle movement drive lymph drainage. When skeletal muscles contract, they squeeze nearby lymphatic vessels, increasing the internal pressure and pushing lymph forward. One-way valves inside the lymphatics prevent backflow, so this rhythmic “muscle pump” moves lymph toward the central veins. There isn’t a dedicated heart-like pump for the lymphatic system, so movement of the muscles is the key force propelling lymph. While plasma and capillary pressure relate to other parts of fluid balance, they don’t provide the primary mechanism that actively propels lymph through the vessels.

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