title: Embryonic cell lineages in the nervous system of the glossiphoniid leech Helobdella triserialis.
mesh_terms: D000818:Animals; D004625:Embryo, Nonmammalian / Q000166:cytology; D006735:Horseradish Peroxidase; D007865:Leeches / Q000033:anatomy & histology* / Q000196:embryology; D009420:Nervous System / Q000166:cytology* / Q000196:embryology
chemical_list: D006735:Horseradish Peroxidase