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Fig. 18 | BMC Evolutionary Biology

Fig. 18

From: Morphology of the bryozoan Cinctipora elegans (Cyclostomata, Cinctiporidae) with first data on its sexual reproduction and the cyclostome neuro-muscular system

Fig. 18

Serotonin-lir nervous system of Cinctipora elegans. CLSM, stainings of acetylated alpha-tubulin (green), serotonin (yellow) and cell nuclei (DAPI, blue). Volume renderings. a View of the oral side on a polypide showing the lophophoral base with the three oral serotonin-like perikarya. b Isolated serotonin-lir nervous sytem at the lophophoral base showing the cerebral ganglion, circum-oral nerve ring and the three serotonin-lir perikarya on the oral side. Also, note this specimen shows serotonin-positive staining in the anus. c Similar as in B but viewed from the oral side showing the three oral perikarya. Abbreviations: cg – cerebral ganglion, con – circum-oral nerve ring, fg – foregut, lb – lophophoral base, o – orifice, py – pylorus, sat – serotonin-lir anal tube, sop – serotonin-lir oral perikarya, t – tentacles

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