| Front | Lymphatic pump |
|---|---|
| Back | Not a real structure, but several factors that produce movement of the lymph (similar to movement of venous blood): 1. Pulsations of nearby arteries 2. Muscular activity compressing tissues 3. Physiological changes in thoracic and abdominal pressure from respiration, beating heart, and peristalsis 4. Low or negative pressure from lymph ducts emptying into venous system 5. Smooth muscle contraction around large lymphatic vessels 6. Valves that prevent backflow Function: |
Tags: lymphatics
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