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Nature of Species Differences in the Medial Distribution of Aortic Vasa Vasorum in Mammals
1967
Circulation Research
Thoracic aortic segments of 12 mammalian species were fixed while distended at normal physiological pressures after the vasa vasorum were filled by a perfusion mixture containing gelatin and carbon. Mammals whose aortas had 29 or fewer medial lamellar units had no demonstrable intramural vascular channels; those whose aortas had more than 29 medial lamellar units, had medial vasa. Aortas with medial vasa vasorum always had a subintimal medial zone devoid of vasa vasorum. In growing animals the
doi:10.1161/01.res.20.4.409
pmid:4960913
fatcat:epg3xisvhbd3jgdcoohrhfgtuy