Observations and measurements of sea urchin eggs with a centrifuge microscope.
D002455:Cell Division; D002467:Cell Nucleus; D002498:Centrifugation; D003593:Cytoplasm; D004447:Echinodermata / Q000196:embryology*; D005306:Fertilization; D008853:Microscopy / Q000295:instrumentation; D055585:Physical Phenomena; D010825:Physics; D013500:Surface Tension; D014783:Viscosity