title: Ultrastructural study of spermatogenesis in the tick Hyalomma marginatum.
mesh_terms: D000818:Animals; D008297:Male; D013087:Spermatids / Q000166:cytology; D013090:Spermatocytes / Q000166:cytology; D013091:Spermatogenesis; D013093:Spermatogonia / Q000166:cytology; D013987:Ticks / Q000502:physiology*