The main functions of spleen are governing transportation and transformation of nutrient essence and body fluid, controlling blood flow and supporting the muscles and four limbs. The spleen meridian communicates with the stomach and thus they influence each other closely.
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In western physiology, the spleen is a large vascular lymphatic organ which acts as a reservoir and filter of blood. It also plays a role in making blood early on in life. In TCM, the spleen hasn’t been mentioned specifically about these functions, its main roles are in digestion, blood…
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The transformation and transportation functions of the spleen and stomach are actually motivated by the kidneys' warming and propelling power.
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