Thornbury K D, McHale N G, McGeown J G
Department of Physiology, Queen's University of Belfast.
Exp Physiol. 1990 Jan;75(1):75-80. doi: 10.1113/expphysiol.1990.sp003387.
Lymph flow and contraction frequency were measured in popliteal efferent lymphatics. Stimulation of the ipsilateral sympathetic chain resulted in an approximate threefold increase in lymph flow, while contraction frequency increased 28% (n = 6). Occlusion of the metatarsal afferent lymphatics with a pneumatic cuff reduced efferent flow from 18 to 4 microliters/min after 25 min (n = 5), indicating that approximately 80% of popliteal efferent lymph is derived from the foot. After occlusion of the afferent lymphatics, sympathetic stimulation failed to increase efferent lymph flow significantly, while efferent contraction frequency still showed a significant rise. It is concluded that lymph formation in the popliteal node does not contribute to the rise in efferent lymph flow following sympathetic stimulation.
在腘窝输出淋巴管中测量淋巴液流量和收缩频率。刺激同侧交感神经链导致淋巴液流量增加约三倍，而收缩频率增加28%（n = 6）。用气动袖带阻断跖骨输入淋巴管25分钟后，输出流量从18微升/分钟降至4微升/分钟（n = 5），这表明腘窝输出淋巴液约80%来自足部。阻断输入淋巴管后，交感神经刺激未能显著增加输出淋巴液流量，而输出收缩频率仍显著升高。结论是，腘窝淋巴结中的淋巴液形成对交感神经刺激后输出淋巴液流量的增加没有贡献。
