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lymph
lymph nodes
The capillaries are the starting point of the one-way lymphatic system. Lymph capillaries originate in tissues and drain any excess tissue fluid that has not been reabsorbed into the bloodstream and move it into lymph veins. This prevents swelling or edema (collection of fluid in the tissues).
because the amount of fluid that get out from capillaries are low,,,,as we know the lymphatic vessels drain the excess amount of fluid that gets out from capillaries,,,so in bone marrow there is no high amount of fluid so there is no need to have lymphatic drainage :))
The sequence of fluid flow is blood capillaries.... interstitial space or interstitial fluid..... lymphatic capillaries.... lymphatic vessels.... lymphatic ducts..... junction of the internal jugular and subclavian veins. Then what helps this whole sequence is the skeletal muscle pump and the respiratory pump.
filtration
Lymphatic system
Interstitial fluid (or tissue fluid) is a solution that surrounds the cells of animals. It is the main component of the extracellular fluid, it includes plasma and transcellular fluid. The interstitial fluid is found in the interstitial spaces, also known as the tissue spaces.
The lymphatic capillaries are small, thin-walled vessels that collect excess tissue fluid (lymph) from the interstitial spaces and return it to the bloodstream. This helps maintain fluid balance in the body and plays a crucial role in the immune system by transporting immune cells and proteins.
The fluids in the blood leak through the capillaries and into the surrounding tissue. After the cells are bathed the fluid moves into the the lymphatic system. It is then returned into the bloodstream
There is very little fluid in the tissue spaces because fluid is quickly picked up by the lymphatic capillaries, so the HP is very low.
While surrounding tissues it is called interstitial fluid. Once it enters the lymphatic system it is called lymphatic fluid.