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. 2014 Aug 13;30(7):799–812. doi: 10.1080/08927014.2014.930736

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© 2014 The Author(s). Published by Taylor & Francis

This is an Open Access article. Non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly attributed, cited, and is not altered, transformed, or built upon in any way, is permitted. The moral rights of the named author(s) have been asserted.

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Figure 1. — Confocal microphotographs showing time series of spectrally accurate autofluorescence at the leading edge of A. amphitrite. (A) At t = 0, two prominent features are present: a bright band at the periphery (arrow 1) and circumferentially striated bands (arrow 2). (B) At t = 12.5 h, there is the appearance of autofluorescence within a new duct and capillary (arrows 3 and 4, respectively). Additionally, the innermost striated band has stopped advancing (arrow 5) relative to the leading edge. (C) By t = 15 h, a second set of striations appear (arrow 6) and the region surrounding the duct orifice shows autofluorescence matching the spectral signature within the duct/capillary (arrow 7). (D) At t = 18 h, dislocated fragments of the initial striated material are observed (arrow 8) as well as the presence of a weakly fluorescent granular-appearing wavefront that advanced toward the new capillary/duct boundary at a variable rate (arrow 9).