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Is flow of lymph through lymph nodes fast or slow compared to blood capillaries?
The flow of lymph is slow because the lymphatic system has no pump.
What is the role of reticular cell in the lymph nodes?
As the lymph is entering the lymph node, there are many pathways that it may encounter, whether it be to subcapsular sinuses, trabecular sinuses, or medullary sinuses. The fibers are present in the lymph nodes in order to control and regulate the direction of the lymph through the node. Someone else said: They wrap around the collagen so that they wont be exposed.
Lymph entering into lymphatic vessels does come from veins or from arteries?
It's from tissue fluid, which itself is derived from cappillaries
Formation of lymph?
Lymph is formed when interstitial fluid and proteins from the tissues enter lymphatic vessels through lymph capillaries. This fluid is then transported through lymphatic vessels and filtered through lymph nodes before ultimately re-entering the blood circulation through the thoracic duct or right lymphatic duct.
Of what importance is the fact that there are fewer efferent than afferent lymphatics associated with lymph nodes?
The fewer number of efferent lymphatics compared to afferent lymphatics is important because it allows for the lymph nodes to effectively filter and concentrate lymph. This enables the lymph nodes to properly survey and mount immune responses against pathogens or foreign particles present in the lymph before it returns to the bloodstream.
Lymph vs plasma?
Lymph is actually plasma without plasma proteins. Lymph is formed when plasma oozes out of the minute pores of the capillaries. Since plasma proteins are too large to go through the pore, lymph is devoid of any plasma proteins.
How does the lymph get into the lymph vessels?
Lymph is a fluid. It flows through the lymphatic vessels by one way valves which allows lymph move way through lymphatic system. Subclavian suction, and skeletal muscle pumps help to propel the lymph through the lymphatic vessels.
By what measure does sentinel lymph node biopsy have a significantly lower rate of complications than axillary lymph node dissection?
One study found that only 2.6% of patients who had SLNB developed lymphedema, compared to 27% of patients who had ALND.
What structures filter lymph?
tiny vessels
What filtering Lymph Organ?
The lymph nodes filter lymph.
Where does lymph reenter the venous circulation?
Lymph reenters the venous circulation through the subclavian veins near the base of the neck. This junction is where lymphatic vessels empty into the bloodstream, allowing lymph fluid to return to the circulatory system.
Why does the blockage of a lymph vessel in the left leg cause swelling in that area?
Blockage of and lymph vessel is keeping the fluids (usually blood, blood that is in need of cleaning) from entering the lymph node. This blockage causes additional blood that needs to be delivered to the lymph node for filtering to back up, kind of waiting for it's turn. This back-up of blood, (and sometimes other fluids), is what causes the swelling.
