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Lymphedema, also known as lymphoedema and lymphatic edema, is a condition of localized swelling caused by a compromised lymphatic system. [2] The lymphatic system functions as a critical portion of the body's immune system and returns interstitial fluid to the bloodstream .
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 .
In venous insufficiency, venous stasis results in abnormally high venous pressure (venous hypertension) and greater permeability of blood capillaries (capillary hyperpermeability), to drain the blood through the lymphatic system. The lymphatic system slowly removes excess fluid and proteins from the veins in the lower legs towards the upper ...
Lymphocytopenia is commonly caused by a recent infection, such as COVID-19. [3]Lymphocytopenia, but not idiopathic CD4+ lymphocytopenia, is associated with corticosteroid use, infections with HIV and other viral, bacterial, and fungal agents, malnutrition, systemic lupus erythematosus, [4] severe stress, [5] intense or prolonged physical exercise (due to cortisol release), [6] rheumatoid ...
Lymphangitis is an inflammation of the lymph vessels. Symptoms usually include swelling, redness, warmth, pain or red streaking around the affected area. [citation needed] Lymphedema. Lymphedema is the chronic pooling of lymph fluid in the tissue. Lymphedema can start anywhere in the lymphatic system of the body.
Lymphangiectasia, also known as "lymphangiectasis", [1] is a pathologic dilation of lymph vessels. [2] When it occurs in the intestines it is known as intestinal lymphangiectasia, colloquially recognized as Waldmann's disease in cases where there is no secondary cause. [3]
Follicular lymphoma (also known as indolent follicular lymphoma) is a type of non-Hodgkin's lymphoma that involves both large and small B-cell lymphocytes that spreads from the lymphatic system and into the blood, bone marrow, and internal organs. Approximately 20 to 30 percent of non-Hodgkin's lymphomas are diagnosed as follicular lymphoma ...
Lymphocytes are blood cells of lymphoid (rather than the myeloid or erythroid) lineage. Immunology pioneer Elie Metchnikoff. Lymphocytes are found in the bloodstream and originate in the bone marrow, however, they principally belong to the separate lymphatic system, which interacts with the blood circulation. [citation needed]