title: On the relationship between the chromosome set and the sexual differentiation of the neoblasts in planarians.
mesh_terms: D000818:Animals; D002875:Chromosomes; D005260:Female; D009865:Oocytes / Q000648:ultrastructure; D010932:Planarians / Q000196:embryology*; D012733:Sex Differentiation; D014419:Turbellaria / Q000196:embryology*