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. 2014 Mar 12;15(1):189. doi: 10.1186/1471-2164-15-189

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© Al-Wathiqui et al.; licensee BioMed Central Ltd. 2014

This article is published under license to 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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Male and female ECB reproductive structures. a. An ECB male spermatophore transferred to a female upon mating. b. The virgin female bursa copulatrix with signum (indicated by arrow) and the bursal gland (indicated by*). Notice that even in virgins the bursal gland is filled with fluid. Scale bars represent 1 mm.