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. 2014 Apr 3;5:14. doi: 10.1186/2041-9139-5-14

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Copyright © 2014 Hogvall et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Expression of E. kanangrensis Wnt5. Anterior is to the left. (A) Ventral view. Red arrow marks the anterior border of expression (of the broad domain; note additional expression in the head lobes). Arrowhead indicates strong expression in the posterior pit region. (B) Ventral view. Arrow and arrowhead as in (A). (C) Lateral view. (D) Ventral view. Close-up of the posterior of the embryo of (C). Note the strong expression in a ring around the centre of the posterior pit region. (E) Ventral view. (G) Ventral view. Anterior part of an embryo. (F) Lateral view. (H) Close-up of a jaw and a slime papilla. (I) Close-up of a walking limb. (A′), (B′) and (C′) represent DAPI staining of the embryos of (A), (B) and (C). a, anus; fap, frontal appendage; hl, head lobe; j, jaw; L1, first walking-limb-bearing segment; m-a, mouth-anus furrow; pp, posterior pit region; sp, slime papilla; st, stage.