title: The swimming of spermatozoa in an active channel.
mesh_terms: D001692:Biological Transport; D002582:Cervix Mucus / Q000502:physiology*; D005260:Female; D006801:Humans; D046911:Macromolecular Substances; D008297:Male; D008433:Mathematics; D008954:Models, Biological; D013094:Spermatozoa / Q000502:physiology*; D013329:Structure-Activity Relationship; D014783:Viscosity
chemical_list: D046911:Macromolecular Substances