title: Ultrastructure of partially decondensed human spermatozoal chromatin.
mesh_terms: D002467:Cell Nucleus / Q000648:ultrastructure; D002843:Chromatin / Q000648:ultrastructure*; D003902:Detergents / Q000494:pharmacology; D004229:Dithiothreitol / Q000494:pharmacology; D006801:Humans; D008297:Male; D013077:Sperm Head / Q000648:ultrastructure; D013094:Spermatozoa / Q000187:drug effects / Q000648:ultrastructure*; D014357:Trypsin / Q000494:pharmacology
chemical_list: D002843:Chromatin; D003902:Detergents; D014357:Trypsin; D004229:Dithiothreitol