title: In situ absorption curves of nuclei stained with methylene violet.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000032:analysis*; D004396:Coloring Agents / Q000032:analysis*; D004247:DNA / Q000032:analysis*; D007668:Kidney / Q000032:analysis*; D051381:Rats; D013053:Spectrophotometry; D013194:Staining and Labeling
chemical_list: D004396:Coloring Agents; D004247:DNA