reticuloendothelial system

noun

Definition of reticuloendothelial system 

: mononuclear phagocyte system broadly : the mononuclear phagocyte system plus certain other cells now known to be pinocytic or only weakly phagocytic

First Known Use of reticuloendothelial system

circa 1923, in the meaning defined above

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The first known use of reticuloendothelial system was circa 1923

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reticuloendothelial system

noun

Medical Definition of reticuloendothelial system 

: mononuclear phagocyte system broadly : a system of cells of varying lineage that were originally grouped together because of their supposed phagocytic properties based on their ability to take up the vital dye trypan blue and comprising cells of the mononuclear phagocyte system and cells (as sinusoidal endothelial cells) now known to be pinocytotic or only weakly phagocytic

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