Learn to define what lymphatic vessels are. Discover the lymphatic vessels' function, structure, and location. Learn what the largest lymphatic...
Kids Definition lymphatic system noun : the part of the circulatory system that consists of special tissue (as of the lymph nodes and tonsils), lymph, lymph-transporting vessels, and the thymus and spleen and is concerned especially with returning fluids and proteins back to the blood and ...
Definition The lymphatic system is a network of vessels and organs that regulates the amount of fluid in the human body and defends it against infections. Structure Lymphatic capillaries; lymphatic vessels, ducts and tracts; primary and secondary lymphoid organs, Function Fluid regulation; immune ...
While blood circulates around the body via blood vessels, some fluid naturally leaks out and makes its way into tissue. This is a normal process that brings nutrients, water and proteins to cells. The fluid also gathers cells’ waste products, like bacteria or even dead or damaged cells like...
Definition Entries Near Cite this Entry Share Show less Save Word lymphatic capillarynoun: any of the smallest lymphatic vessels that are blind at one end and collect lymph in organs and tissues called also lymph capillary Dictionary Entries Near lymphatic capillary lymphatic lymphatic capillary ...
However, blood cells do not readily pass through the endothelial cells lining the vessels in the cortex, a phenomenon called the blood–thymus barrier. This barrier is not absolute; small soluble molecules can pass into the cortex. The vascular barrier in the medulla is not so tight, and ...
The lymphatic capillaries are composed of a single layer of partly overlapping lymphatic endothelial cells with no basement membrane or pericytes; smooth muscle cells scantly cover the walls of pre-collectors with more smooth muscle cells in the collecting lymphatic vessels [1]. A lymphangion, which...
24 However, they may experience loss of immune tolerance to filarial worms with activation of host protective inflammatory immune responses that lead to the death of the parasites with collateral damage to lymphatic vessels. This explains why most patients with chronic lymphoedema are amicrofilaraemic...
BACKGROUND: For current lymphatico-venous anastomosis (LVA), the identification of "functional" lymphatic collecting vessels (LCVs) is mainly based on indocyanine green (ICG) lymphography. However, some of the non-ICG enhanced LCVs utilized for LVA were found to have visual lymphatic flow. ...
Cancer metastasis is the process by which primary cancer cells invade through the lymphatic or blood vessels to distant sites. The molecular mechanisms by