Contractility of the Lymphangions
ثبت نشده
چکیده
Specific lymphatic drainage techniques have come into use during the past 75 years. Osteopath F. P. Millard deserves credit for developing the first precise manual approach to the lymphatic system. Beginning in 1904, Millard conducted extensive lymphatic studies, the results of which he published in “Applied Anatomy of the Lymphatics” in 1922. In his writings, Millard used the term “lymphatic drainage” to describe his techniques. Emil Vodder, a Danish practitioner and doctor of philosophy, is best known for his brilliant insights into techniques for enhancing lymphatic circulation. Between 1932 and 1936, in Cannes, France, Vodder and his wife developed a specific manual technique for lymph drainage. But because he was not a physician, physical therapist or massage therapist (in France, the practice of massage therapy is restricted to registered physical therapists), he had difficulty authenticating and gaining recognition for his technique. It was not until the end of the 1960s that Vodder’s Manual Lymph Drainage technique was scientifically tested and its effects recognized. More recently, I myself, a trained French physician, further improved on some of these techniques by developing ways to manually assess the specific rhythm, direction, depth and quality of the lymphatic flow. This approach, Lymph Drainage Therapy (LDT), also uses the technique called Manual Lymphatic Mapping (MLM), which helps practitioners assess alternative pathways to promote drainage of areas of interstitial fluid or lymphatic stagnation.
منابع مشابه
Lymphangion coordination minimally affects mean flow in lymphatic vessels.
The lymphatic system returns interstitial fluid to the central venous circulation, in part, by the cyclical contraction of a series of "lymphangion pumps" in a lymphatic vessel. The dynamics of individual lymphangions have been well characterized in vitro; their frequencies and strengths of contraction are sensitive to both preload and afterload. However, lymphangion interaction within a lympha...
متن کاملLymphatic pump-conduit duality: contraction of postnodal lymphatic vessels inhibits passive flow.
Lymphangions, the segments of lymphatic vessels between valves, exhibit structural characteristics in common with both ventricles and arteries. Although once viewed as passive conduits like arteries, it has become well established that lymphangions can actively pump lymph against an axial pressure gradient from low-pressure tissues to the great veins of the neck. A recently reported mathematica...
متن کاملParameter sensitivity analysis of a lumped-parameter model of a chain of lymphangions in series.
Any disruption of the lymphatic system due to trauma or injury can lead to edema. There is no effective cure for lymphedema, partly because predictive knowledge of lymphatic system reactions to interventions is lacking. A well-developed model of the system could greatly improve our understanding of its function. Lymphangions, defined as the vessel segment between two valves, are the individual ...
متن کاملNetwork Scale Modeling of Lymph Transport and Its Effective Pumping Parameters
The lymphatic system is an open-ended network of vessels that run in parallel to the blood circulation system. These vessels are present in almost all of the tissues of the body to remove excess fluid. Similar to blood vessels, lymphatic vessels are found in branched arrangements. Due to the complexity of experiments on lymphatic networks and the difficulty to control the important functional p...
متن کاملThe Role of Nitric Oxide and Prostaglandins in the Effect of Adenosine on Contractility, Heart Rate and Coronary Blood Flow in Guinea Pig Isolated Heart
It is a well-established fact that adenosine and its receptor subtypes (A 1 and A ) are involved in changes of contractility, heart rate and coronary blood flow (CBF) under different circumstances. This study was conducted to evaluate the role of nitric oxide and prostaglandins in development of these changes. For this purpose, Nitro-L-Arginine methyl ester (L-NAME), and indomethacin as inhibit...
متن کاملOptimal postnodal lymphatic network structure that maximizes active propulsion of lymph.
The lymphatic system acts to return lower-pressured interstitial fluid to the higher-pressured veins by a complex network of vessels spanning more than three orders of magnitude in size. Lymphatic vessels consist of lymphangions, segments of vessels between two unidirectional valves, which contain smooth muscle that cyclically pumps lymph against a pressure gradient. Whereas the principles gove...
متن کامل