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Fig. 4 | BMC Evolutionary Biology

Fig. 4

From: The nervous system of the lophophore in the ctenostome Amathia gracilis provides insight into the morphology of ancestral ectoprocts and the monophyly of the lophophorates

Fig. 4

Organization of the proximal zone of the cerebral ganglion of Amathia gracilis. a Transverse semithin section of the proximal zone of the cerebral ganglion. The anal side is toward the top, and the oral side is toward the bottom. b The lophophore base: confocal sections (LCM). Z-stack projection of several slides adjacent to the anus after double staining for tyrosinated α-tubulin (green) and DAPI (magenta). c LCM: Z-projection of two most distal perikarya. Abbreviations: ci - cilia of tentacles; pl - pylorus; ppk - proximal perikarya; tsn - tentacle sheath nerve; ve - vestibulum

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