title: Polarized views.
mesh_terms: D000818:Animals; D002462:Cell Membrane / Q000648:ultrastructure*; D006801:Humans; D008297:Male; D008859:Microscopy, Polarization; D008938:Mitosis; D015388:Organelles / Q000648:ultrastructure*; D012455:Salamandridae; D012617:Sea Urchins; D013077:Sperm Head / Q000648:ultrastructure; D008941:Spindle Apparatus / Q000648:ultrastructure