Ectodermal interactions during neurogenesis in the glossiphoniid leech Helobdella triserialis.
D001757:Blastomeres / Q000502:physiology; D002465:Cell Movement; D004475:Ectoderm / Q000166:cytology*; D005724:Ganglia / Q000196:embryology; D007865:Leeches / Q000196:embryology*; D009024:Morphogenesis; D009420:Nervous System / Q000196:embryology*; D009457:Neuroglia / Q000166:cytology