... abdominal pressures are low. We suggest that pinnipeds, which do not fluke, maintain low abdominal pressures. Simulations also showed that retrograde oscillations could be transmitted upstream from the cetacean abdomen and into the extradural veins, with potentially adverse repercussions for the cerebral...

... 10 8 2011 © 2011. 2011 seal diving extradural vein caval sphincter In spite of the vast body of literature on cardiovascular adaptations to diving in seals, relatively little has been written on the venous system, which, unlike the arterial system, does not easily lend itself...