Gewebeflüssigkeit

Gewebeflüssigkeit, also known as interstitial fluid, is the fluid that fills the spaces between cells in the body. It is a vital component of the extracellular fluid and plays a crucial role in transporting nutrients, oxygen, and waste products between the blood and the cells. This fluid is derived from blood plasma, which filters out of capillaries into the interstitial spaces.

The composition of Gewebeflüssigkeit is similar to plasma but with a lower concentration of proteins, as most larger protein molecules are retained within the blood vessels. It is constantly circulating and being replenished. A significant portion of this fluid is reabsorbed back into the capillaries, while the remainder enters the lymphatic system. The lymphatic system then transports this fluid, now called lymph, back to the bloodstream.

The primary functions of Gewebeflüssigkeit include facilitating the exchange of substances, acting as a lubricant between tissues, and contributing to the immune system by transporting immune cells. Disruptions in the balance of Gewebeflüssigkeit can lead to edema, which is the accumulation of excess fluid in the interstitial spaces, often resulting in swelling. Maintaining the proper volume and composition of Gewebeflüssigkeit is essential for overall tissue health and function.