title: An electron microscope study of spermatogenesis and spermatozoa of Microcosmus sabatieri (Ascidiacea, Tunicata).
mesh_terms: D000818:Animals; D008297:Male; D008854:Microscopy, Electron; D013091:Spermatogenesis; D013094:Spermatozoa / Q000648:ultrastructure*; D014561:Urochordata / Q000648:ultrastructure*