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About the Cover
Cover: The Burmese python (Python molurus) is a large sit-and-wait forager that inhabits South East Asia. As other reptiles, the heart is characterised by a single ventricle, but in this issue, Wang, Altimiras and Axelsson (p. 2715-2723) show that this undivided ventricle exhibits an extraordinary ability to separate blood flows from the lungs and the systemic circuits. So far, it was believed that ventricular flow separation is a derived condition in varanid lizards, but these new data on python show that functional separation of the undivided ventricle may be a more widespread phenomenon in reptiles.
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