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Figure 1


Fig. 1. (A) Transverse slice through a polyp of Galaxea fascicularis showing the oral epithelia (OEp) in relation to the skeleton (SK) and extrathecal coelenteron (ETC). (B) Fluorescence image of the extrathecal epithelia in a transverse slice of freeze-substituted G. fascicularis polyp. OE, oral ectoderm; M, mesogloea; OG, oral gastrodermis; ETC, extrathecal coelenteron; AG, aboral gastrodermis; CE, calicoblastic ectoderm; SK, skeleton.