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Message: <blockquote data-quote="tD33NAt" data-source="post: 2703697" data-attributes="member: 124445">Amidst the extraordinarily dense network of pathways in a mammal lung is a common destination. There, any road leads to a cul-de-sac of sorts called the pulmonary acinus. This place looks like a bunch of grapes attached to a stem (acinus means "berry" in Latin). Scientists have struggled to understand more specifically what happens in this microscopic, labyrinthine intersection of alleys and dead ends. To find out, a research team led by the University of Iowa created the most detailed, three-dimensional rendering of the pulmonary acinus...<img src="http://feeds.feedburner.com/~r/mnt/healthnews/~4/3XyGE1Z-H_M" alt="" class="fr-fic fr-dii fr-draggable " data-size="" style="" /><a href="http://feedproxy.google.com/~r/mnt/healthnews/~3/3XyGE1Z-H_M/251066.php" target="_blank">More...</a></blockquote>