title: Arms and legs.
authors.forename: Colin
authors.initials: C
authors.lastname: Berry
mesh_terms: D000818:Animals; D005075:Biological Evolution; D004284:Dogfish / Q000502:physiology; D005121:Extremities; D005552:Forelimb; D005801:Genes, Homeobox / Q000235:genetics; D006614:Hindlimb; D014714:Vertebrates / Q000502:physiology