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. Author manuscript; available in PMC: 2013 May 7.
Published in final edited form as: J Theor Biol. 2012 Feb 5;300:222–231. doi: 10.1016/j.jtbi.2012.01.042

Figure 4.

Figure 4

Topology of acinar ventilation. A cranial-caudal slice of the lungs is viewed from the front with each sphere representing an acinar unit. The colour spectrum goes from low ventilation in blue (minimum=2.8 mm3.s−1) to high ventilation in red (maximum=4.6 mm3.s−1).