title: Cell lineage in the development of the leech nervous system.
mesh_terms: D000818:Animals; D002455:Cell Division; D004625:Embryo, Nonmammalian / Q000502:physiology; D005724:Ganglia / Q000196:embryology; D007865:Leeches / Q000196:embryology*; D009420:Nervous System / Q000196:embryology*