Fig. 6 in Morphology and evolution of the nervous system in Gnathostomulida (Gnathifera, Spiralia)

Fig. 6 Schematic drawing of the nervous system in Labidognathia longicollis as inferred from serotonin-like immunoreactivity and CLSM. a Entire body. b Head and pharyngeal regions, dorsal structures. c Head and pharyngeal regions, ventral structures. Abbreviations: ap anterior perikaryon; b brain; bg buccal ganglion; bn buccal nerve; dac1 first dorso-anterior commissure; dac2 second dorso-anterior commissure; dpp dorsal paired perikarya; lc lateral nerve cord; lpp large paired perikarya; mo mouth opening; mp median perikaryon; pb pharyngeal bulb; php pharyngeal perikarya, pp posterior perikaryon; te testis; vac ventro-anterior commissure; vlc ventro-lateral nerve cord; vlp ventrolateral perikaryon; vpc ventro-posterior commissure