title: Fine structure of developing spermatids used as a basis for staging of the spermateleosis in the blue fox (Alopex lagopus).
mesh_terms: D000818:Animals; D005589:Foxes / Q000033:anatomy & histology / Q000502:physiology*; D008297:Male; D012621:Seasons; D013087:Spermatids / Q000648:ultrastructure*; D013091:Spermatogenesis; D013094:Spermatozoa / Q000648:ultrastructure*