Fig. 13

Acetylated alpha-tubulin-lir (gray) in the lophophore of Myriapora truncata. A Detail of the lophophoral base. B Detail of tentacular innervation at the lophophoral base. C Same as in B but labeled with a color code. Abbreviations and color code: abr – annular branch of trifid nerve, afn – abfrontal tentacle neurite bundle (orange), cg – cerebral ganglion (red), CON – circumoral nerve ring (brown), d – distal, dtsn – direct tentacle sheath nerve, itn – intertentacular neurite (purple), itp – intertentacular pit (green), lfn – laterofrontal tentacle neurite bundle (blue), lvn – laterovisceral nerve, mfn – mediofrontal tentacle nerve (yellow), mlvn – mediolaterovisceral neurite bundle, mvn – mediovisceral neurite bundle, p – proximal, php – pharyngeal nerve plexus, rdn – radial nerve (pink), tc – tentacle cilia, tfd – trifid neurite bundle