part_of part of part of contributes to morphology of Homo sapiens Homo sapiens renal glomerulus mesangium glomerular mesangium FMA:84140 MA:0002606 GAID:430 SCTID:244574009 Wikipedia:Glomerular_mesangium UBERON:0002320 MESH:D005920 A thin membrane which helps to support the capillary loops in a renal glomerulus. It is connective tissue composed of mesangial cells - myofibroblasts phenotypically related to vascular smooth muscle cells (muscle, smooth, vascular), phagocytes and the mesangial extracellular matrix. EMAPA:27961 EMAPA:28248 uberon stroma renal glomerulus vasculature