In anatomy, the interstitium is a contiguous fluid-filled space existing between a structural barrier, such as a cell membrane or the skin, and internal structures, such as organs, including muscles and the circulatory system. Fluid in this space – the interstitial fluid – is composed of solutes and water draining into the lymphatic system.
In anatomy, the interstitium is a contiguous fluid-filled space existing between a structural barrier, such as a cell membrane or the skin, and internal structures, such as organs, including muscles and the circulatory system. Fluid in this space – the interstitial fluid – is composed of solutes and water draining into the lymphatic system.
Source: Wikipedia "Interstitium" · CC BY-SA 4.0
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