Fig. 8

Chorizopora brongniartii. Acetylated alpha-tubulin-lir in orange in all images. A Overview of a zooid. F-actin in gray. B Overview from the frontal side, showing alpha-tubulin-lir and f-actin structures. Volume rendering. C Overview from the frontal side, showing alpha-tubulin-lir structures. Volume rendering. D Detail of the lophophoral base from the anal side. Volume rendering. E Detail of apertural area. Volume rendering. Abbreviations: afn – abfrontal tentacle neurite bundle, caec – caecum cilia, cg – cerebral ganglion, ctsn – compound tentacle sheath nerve, d – distal, dtsn – direct tentacle sheath nerve, int – intestine, lb. – lophophoral base, mvn – mediovisceral neurite bundle, opn – opercular nerve, opo – operculum occlusor, p – proximal, pbs – parietal branching site, pdi – parietodiaphragmatic muscle, pdin – parietodiaphragmatic nerve, phc – pharyngeal cilia, pm – parietal muscle, pmn – parietal muscle nerve, rm. – retractor muscle, sph – sphincter muscle, spn – sphincter nerve, tc – tentacle cilia, tfd – trifid neurite bundle, tm – tentacle muscle