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. Author manuscript; available in PMC: 2014 Apr 21.
Published in final edited form as: Nat Commun. 2011 Dec 20;2:592. doi: 10.1038/ncomms1603

Figure 1. Larvae alter the length of their post-oral arms in response to food.

Figure 1

DIC images of larvae at the end of the pre-feeding period, day 5, cultured without (a) and with (b) algae starting at gastrula stage. The lengths of the post-oral and body rod skeletal elements are indicated by the black lines. Quantification of (c) post-oral arm length, representing a 20.2% (± 3.9 SEM) change, and (d) body rod length, representing a 3.9% (± 1.5 SEM) change for larvae cultured with (green, n = 20) and without (blue, n = 18) algae. Student's two-tailed t-test, *** P < 0.001. Error bars ± SEM. PO, post-oral arm; BR, body rod. Scale bars, 50 μm.