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The lymphatic system, or lymphoid system, is an organ system in vertebrates that is part of the immune system and complementary to the circulatory system. It consists of a large network of lymphatic vessels , lymph nodes , lymphoid organs, lymphatic tissue and lymph .
Lymph trunk is a collection of lymph vessels that carries lymph, and is formed by confluence of many efferent lymph vessels.It in turn drains into one of the two lymph ducts (right lymph duct and the thoracic duct).
As the circular path through the body's system continues, the fluid is then transported to progressively larger lymphatic vessels culminating in the right lymphatic duct (for lymph from the right upper body) and the thoracic duct (for the rest of the body); both ducts drain into the circulatory system at the right and left subclavian veins. The ...
Lymph (from Latin lympha 'water') [1] is the fluid that flows through the lymphatic system, a system composed of lymph vessels (channels) and intervening lymph nodes whose function, like the venous system, is to return fluid from the tissues to be recirculated.
The lumbar trunks are formed by the union of the efferent vessels from the lateral aortic lymph nodes.. They receive the lymph from the lower limbs, from the walls and viscera of the pelvis, from the kidneys and suprarenal glands and the deep lymphatics of the greater part of the abdominal wall.
It is believed that the lymph sacs are directly connected to the venous system and that the venous components and lymphatic components communicate through a small hole. [4] Studies have shown that the development of lymph sacs occurs through swelling and outgrowth of pre-lymphatic clusters from the cardinal vein , in a process termed ballooning .
In the lymphatic system a lymph node is a secondary lymphoid organ. [5] Lymph nodes contain lymphocytes , a type of white blood cell , and are primarily made up of B cells and T cells . [ 5 ] B cells are mainly found in the outer cortex where they are clustered together as follicular B cells in lymphoid follicles, and T cells and dendritic ...
Atypical connections with other lymphatic structures or unusual terminations into the venous system may alter normal lymphatic flow and complicate medical or surgical management. Drainage Territories : Although these trunks generally drain the mediastinum, lungs, and associated structures, the specific regions of the thorax drained by each ...