title: The ultrastructure of the spermatozoon of the hoplonemertine, Emplectonema neesii.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002467:Cell Nucleus / Q000032:analysis; D003594:Cytoplasmic Granules; D005407:Flagella / Q000166:cytology; D006003:Glycogen / Q000032:analysis; D008297:Male; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D008928:Mitochondria / Q000032:analysis; D010986:Platyhelminths / Q000032:analysis*; D013094:Spermatozoa / Q000166:cytology*
chemical_list: D006003:Glycogen