title: Surface-bound sialic acid on ram and bull spermatozoa: deposition during epididymal transit and stability during washing.
mesh_terms: D000818:Animals; D002417:Cattle; D002462:Cell Membrane / Q000032:analysis / Q000648:ultrastructure; D004355:Drug Stability; D004822:Epididymis / Q000502:physiology; D008297:Male; D008854:Microscopy, Electron; D012756:Sheep; D012794:Sialic Acids / Q000032:analysis*; D013045:Species Specificity; D013094:Spermatozoa / Q000032:analysis* / Q000648:ultrastructure
chemical_list: D012794:Sialic Acids