title: Spermatogenesis in Haemonchus contortus (Nematoda: Trichostrongylidae).
abstract: Basic structure and development of spermatogonia, spermatocytes (primary and secondary), spermatids and spermatozoa have been studied in H. contortus (Rud., 1803) with the aid of light microscopy.
mesh_terms: D000818:Animals; D002875:Chromosomes / Q000648:ultrastructure; D003593:Cytoplasm / Q000648:ultrastructure; D006189:Haemonchus / Q000502:physiology*; D008297:Male; D013087:Spermatids / Q000648:ultrastructure; D013090:Spermatocytes / Q000648:ultrastructure; D013091:Spermatogenesis; D013093:Spermatogonia / Q000648:ultrastructure; D013094:Spermatozoa / Q000648:ultrastructure; D014251:Trichostrongyloidea / Q000502:physiology*