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February 26, 1927


JAMA. 1927;88(9):650. doi:10.1001/jama.1927.02680350034013

In reviewing the history of the development of the knowledge of the lymphatic system, Sabin1 pointed out ten years ago that there have been periods of great investigative activity followed by periods of rest. It has been shown recently that the problem of the origin of the lymphatic system is only a part of the general problem of origin of the vascular system. Lymphatics are modified veins, in the sense that they grow from the veins. The veins or the blood capillaries are the primary absorbents and continue to take part in absorption throughout life. The function of the lymphatics in absorption doubtless is to some extent specific. Sabin 1 maintains that the present teaching about the lymphatic system is at variance with the older idea of hazy lymphatic capillaries that faded off indefinitely through hypothetic lymph radicles into the tissue spaces. With the newer conception of definite lymphatic