title: Comparative ultrastructure of the spermatids and spermatozoa of the tick Hyalomma dromedarii and Amblyomma hebraeum (Acari: Ixodidae).
mesh_terms: D000818:Animals; D008297:Male; D008855:Microscopy, Electron, Scanning; D013087:Spermatids / Q000648:ultrastructure*; D013094:Spermatozoa / Q000648:ultrastructure*; D013987:Ticks / Q000166:cytology*