Figure 31
From: Invertebrate neurophylogeny: suggested terms and definitions for a neuroanatomical glossary
Nervous system of the trochophore larva of the polychaete annelid Filograna implexa. The prototroch neurite, the anlage of the brain, the chaetae, the paired ventral neurite bundle, and the associated somata (arrowheads) are stained. [Serotonin-like immunoreactivity.] Abbreviations: br = brain; ch = chaetae; pn = prototrochal neurite; vn = ventral neurite bundle. Original: A. Wanninger.