title: Increase in intranuclear birefringence during chromatin activation reaction.
mesh_terms: D000818:Animals; D001718:Birefringence; D002467:Cell Nucleus / Q000032:analysis*; D002843:Chromatin / Q000032:analysis*; D004247:DNA / Q000302:isolation & purification; D006651:Histocytochemistry; D037102:Lectins / Q000494:pharmacology; D008214:Lymphocytes / Q000187:drug effects; D008859:Microscopy, Polarization; D051381:Rats; D013154:Spleen / Q000166:cytology; D013194:Staining and Labeling; D013268:Stimulation, Chemical
chemical_list: D002843:Chromatin; D037102:Lectins; D004247:DNA