title: Theodor Boveri and the natural experiment.
authors.forename: Florian
authors.initials: F
authors.lastname: Maderspacher
mesh_terms: D000818:Animals; D001200:Ascaris; D002455:Cell Division / Q000502:physiology; D016764:Cell Polarity / Q000502:physiology; D002875:Chromosomes / Q000502:physiology; D003582:Cytogenetics / Q000266:history*; D004625:Embryo, Nonmammalian / Q000502:physiology; D049672:History, 19th Century; D012617:Sea Urchins