title: Observations on the mitochondrial complex and head differentiation during spermiogenesis of the stingless bee Melipona quadrifasciata anthidioides Lep.
abstract: This study describes the transformations which occur in the mitochondria and nucleus of the Melipona spermatid during the maturation process.
mesh_terms: D000818:Animals; D001516:Bees / Q000502:physiology / Q000648:ultrastructure*; D002467:Cell Nucleus / Q000648:ultrastructure; D002843:Chromatin / Q000648:ultrastructure; D008297:Male; D008928:Mitochondria / Q000648:ultrastructure; D013087:Spermatids / Q000648:ultrastructure; D013091:Spermatogenesis
chemical_list: D002843:Chromatin