title: Isolation of flagella and their membranes from sea urchin spermatozoa.
mesh_terms: D000818:Animals; D002458:Cell Fractionation / Q000379:methods*; D002462:Cell Membrane; D008297:Male; D012617:Sea Urchins / Q000648:ultrastructure*; D012623:Seawater; D013081:Sperm Motility; D013082:Sperm Tail