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Lymphoid tissue in the kidney of the musk shrew, Suncus murinus
H H Kerschbaum1, S K Singh, A Hermann
1Department of Animal-Physiology, University of Salzburg, Austria.
Abstract:
We describe a lymphoid tissue in the kidney of the musk shrew, Suncus murinus. An anatomically well organised lymphoid tissue, resembling the mucosa-associated lymphoid tissue, is associated with the epithelium of the renal pelvis and the ureter, respectively. Lymphoid tissue distributed along the arcuate artery and arcuate vein is not structurally organised in centre and periphery. This tissue type is most prominently developed between blood vessels. Immunocytochemistry revealed S-100-immunoreactive dendritic cells in both, structurally organised and structurally non-organised lymphoid tissues. The lymphoid tissue is innervated by neurofilament-immunoreactive nerve fibres. Some of these nerve fibres are associated with glial fibrillary acidic protein-immunoreactive structures, indicating that they are myelinated.