title: The total structure and organization of chromosomal fibers in eutherian sperm nuclei.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure; D002875:Chromosomes / Q000648:ultrastructure*; D002942:Circular Dichroism; D004247:DNA; D006736:Horses / Q000033:anatomy & histology*; D008297:Male; D008961:Models, Structural; D009690:Nucleic Acid Conformation; D012995:Solubility; D013057:Spectrum Analysis; D013094:Spermatozoa / Q000648:ultrastructure*
chemical_list: D004247:DNA