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. 2011 Jan 11;6(1):e16113. doi: 10.1371/journal.pone.0016113

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Cahalane et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Axons, whose paths were destined to intersect in (A) incur an extra volume cost as one or both alter their paths to avoid collision such as in (B). The extra volume requirement of scenario (B) as compared with (A) is , where r is the axon radius.

Inline graphic — Axons, whose paths were destined to intersect in (A) incur an extra volume cost as one or both alter their paths to avoid collision such as in (B). The extra volume requirement of scenario (B) as compared with (A) is , where r is the axon radius.