While America was undergoing an era of good feeling there were many problems lying under the surface. These social ills were attacked many social reformers. This reform movement was led by people who believed that America could do anything if she put her mind to it. One writer called America, The Israel of our time.. Major reform movements existed in the following areas:
mononuclear. adj. 1. (Physiology) (of a cell) having only one nucleus.
Medical Definition of MONONUCLEAR PHAGOCYTE SYSTEM. : a system of cells comprising all free and fixed phagocytes and especially macrophages together with their ancestral cells including monocytes and their precursors in the bone marrowâcompare reticuloendothelial system.efinition of MONONUCLEAR PHAGOCYTE SYSTEM. : a system of cells comprising all free and fixed phagocytes together with their ancestral cells including monocytes and their precursors in the bone marrow âcalled also reticuloendothelial system. ADVERTISEMENT.