Primordial germ cells originate from the endodermal strand cells in the ascidian Ciona intestinalis.
Dev Genes Evol. 2002 Feb;212(1):11-8. doi: 10.1007/s00427-001-0204-1. Epub 2002 Jan 24.
Dev Genes Evol. 2002.
PMID: 11875652