prototroch

prototroch englanniksi

1. A ciliary band in the larvae of trochophores

2. {{quote-journal|en|date=July 11, 2015|author=Néva P Meyer; et al.|title=Nervous system development in lecithotrophic larval and juvenile stages of the annelid Capitella teleta|journal=Frontiers in Zoology|url=http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4498530/|doi=10.1186/s12983-015-0108-y|volume=12|issue=|pages=