title: The structure of the 9 + 1 axonemal core as revealed by treatment with trypsin.
mesh_terms: D000818:Animals; D008297:Male; D008953:Models, Anatomic; D008961:Models, Structural; D010986:Platyhelminths / Q000648:ultrastructure*; D013082:Sperm Tail / Q000648:ultrastructure; D013094:Spermatozoa / Q000187:drug effects / Q000648:ultrastructure*; D013194:Staining and Labeling; D014357:Trypsin / Q000494:pharmacology; D014419:Turbellaria / Q000648:ultrastructure
chemical_list: D014357:Trypsin