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Controversies regarding the development of the mammalian infrahepatic inferior caval and azygos veins arise from using topography rather than developmental origin as criteria to define venous systems and centre on veins that surround the mesonephros. We compared caudal‐vein development in man with that in rodents and pigs (rudimentary and extensive mesonephric development, respectively), and used...
Differences in opinion regarding the development of the infrahepatic inferior caval and azygos venous systems in mammals centre on the contributions of ‘caudal cardinal’, ‘subcardinal’, ‘supracardinal’, ‘medial and lateral sympathetic line’ and ‘sacrocardinal’ veins. The disagreements appear to arise from the use of topographical position rather than developmental origin as criterion to define separate...
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