title: Fine structure of the spermatozoon of the sea cucumber, Leptosynapta clarki (Echinodermata: Holothuroidea).
mesh_terms: D000818:Animals; D002462:Cell Membrane; D002467:Cell Nucleus / Q000648:ultrastructure; D004447:Echinodermata / Q000648:ultrastructure*; D005407:Flagella / Q000648:ultrastructure; D008297:Male; D008854:Microscopy, Electron; D008928:Mitochondria / Q000648:ultrastructure; D008961:Models, Structural; D013094:Spermatozoa / Q000648:ultrastructure*