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  • Title: Age-related changes in the human renal veins and their valves.
    Author: Chopard RP, Miranda Neto MH, Biazotto W, Molinari SL.
    Journal: Ital J Anat Embryol; 1994; 99(2):91-101. PubMed ID: 7741607.
    Abstract:
    Age-related anatomical changes in the human renal veins and their valves were studied. The principal changes were: 1. The muscle fiber bundles were noted to progressively atrophy as a function of age, while conservely the elastic fiber bundles hypertrophied. 2. The valves of the renal veins were observed to become gradually thicker with age as a result of the increased number of collagen fiber bundles.
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