title: A karyotypic study of three species of Rajiformes (Chondrichthyes, Pisces).
mesh_terms: D000818:Animals; D002875:Chromosomes; D003078:Colchicine; D004171:Diploidy; D004847:Epithelial Cells; D005260:Female; D005399:Fishes; D005880:Gills / Q000166:cytology; D007621:Karyotyping; D008297:Male; D008938:Mitosis; D012730:Sex Chromosomes
chemical_list: D003078:Colchicine