Study of twin organisms spontaneously developed by adult Dugesia tigrina.
D000818:Animals; D005123:Eye / Q000196:embryology; D005260:Female; D009024:Morphogenesis; D009420:Nervous System / Q000254:growth & development; D011247:Pregnancy; D012098:Reproduction; D014419:Turbellaria / Q000196:embryology*; D014427:Twins