“…7,23,28,29 The remaining elastic fibers are markedly fragmented, granular or clumped, and of variable orientation and diameter. 3,4,6,7,9,14,23,28,29 The preelastic fibers, oxytalan and elaunin, are undetectable, and the microfibrillar component of elastic fibers is reduced. 30,31 Electron microscopy confirms the degenerative changes in the elastin fibers.…”