Definition of mesangium in English:
mesangium
noun mɛsˈan(d)ʒ(ɪ)əmmɛzˈan(d)ʒ(ɪ)əm
Anatomy The central, intercapillary region of a renal glomerulus, consisting of specialized connective tissue cells and matrix.
Origin
1930s. From German Mesangium from meso- + -angium.