title: The structure of sperm from Panulirus, the spiny lobster, with special regard to the acrosome.
mesh_terms: D000177:Acrosome / Q000648:ultrastructure; D000818:Animals; D002462:Cell Membrane / Q000648:ultrastructure; D002467:Cell Nucleus / Q000648:ultrastructure; D002843:Chromatin / Q000648:ultrastructure; D003445:Crustacea / Q000502:physiology; D008297:Male; D008870:Microtubules / Q000648:ultrastructure; D008121:Nephropidae / Q000502:physiology*; D013045:Species Specificity; D013094:Spermatozoa / Q000648:ultrastructure*
chemical_list: D002843:Chromatin