title: The fine structure of membrane complexes in spermatozoa of the millipede, Spirobolus sp., as seen by thin-section and freeze-fracture techniques.
mesh_terms: D000818:Animals; D001181:Arthropods / Q000648:ultrastructure*; D002462:Cell Membrane / Q000648:ultrastructure; D003593:Cytoplasm / Q000648:ultrastructure; D005614:Freeze Fracturing; D008297:Male; D008566:Membranes / Q000648:ultrastructure; D009685:Nuclear Envelope / Q000648:ultrastructure; D013094:Spermatozoa / Q000648:ultrastructure*