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. 2018 Aug 13;9:1829. doi: 10.3389/fmicb.2018.01829

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Copyright © 2018 Jackson, Pepe-Ranney, Debenport, Buckley and Hewson.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Sea star anatomy. Basic anatomy of a sea star with cross section of a ray. Anatomical sites sampled for this study include: (1) pyloric caeca (green), (2) gonads (yellow), (3) body wall (gray) and (4) coelomic fluid contained within coelomic cavity.