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  • Title: Microfibrils are a major component of the mesangial matrix in the glomerulus of the rat kidney.
    Author: Mundel P, Elger M, Sakai T, Kriz W.
    Journal: Cell Tissue Res; 1988 Oct; 254(1):183-7. PubMed ID: 2461802.
    Abstract:
    The mesangial matrix of the rat glomerulus was studied by transmission electron microscopy in specimens preserved by a modified technique, which avoids osmium tetroxide but uses tannic acid as a contrasting agent. It can be demonstrated that microfibrils are a major component of the normal glomerular mesangial matrix. They are non-branching tubular structures with a hollow centre, an undefined length and a thickness of approximately 15 nm. Microfibrils make up a dense fibrillar network interconnecting mesangial cells and glomerular basement membrane.
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