Research article
A revision of brain composition in Onychophora (velvet worms) suggests that the tritocerebrum evolved in arthropods
1 Institute of Biology II: Animal Evolution & Development, University of Leipzig, Talstrasse 33, D-04103 Leipzig, Germany
2 Department of Anatomy and Cell Biology, University of Melbourne, Victoria 3010, Australia
3 School of Biological Sciences and Australian Centre for Biodiversity, Monash University, Melbourne, Victoria 3800, Australia
4 Institut für Biologie, Neurobiologie, Freie Universität Berlin, Königin-Luise-Str. 28-30, D-14195 Berlin, Germany
BMC Evolutionary Biology 2010, 10:255 doi:10.1186/1471-2148-10-255
Published: 21 August 2010Additional files
Additional file 1:
Figure S1. Anterior nervous system in an almost fully developed embryo of the onychophoran Epiperipatus isthmicola. Confocal maximum projection. Dorso-lateral view (anterior is left, dorsal is up). Anti-acetylated α-tubulin immunolabelling. Abbreviations: an, antennal nerves; br, brain; cn, developing central brain neuropil; jn, jaw nerve; ln, paired leg nerves; mo, mouth position; nc, ventrolateral nerve cords; sn, slime papilla nerves. Scale bar: 200 μm.
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