title: The spermatozoon of Peracarida. II. The spermatozoon of Tanaidacea.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure; D003445:Crustacea / Q000033:anatomy & histology / Q000145:classification / Q000502:physiology / Q000648:ultrastructure*; D003593:Cytoplasm / Q000648:ultrastructure; D008297:Male; D008854:Microscopy, Electron; D013094:Spermatozoa / Q000648:ultrastructure*