Mechanical properties of the protoplasm of the sea urchin egg. I. Unfertilized egg.
D000818:Animals; D003593:Cytoplasm / Q000502:physiology*; D004447:Echinodermata / Q000502:physiology*; D004547:Elastic Tissue / Q000502:physiology; D004548:Elasticity; D005260:Female; D066298:In Vitro Techniques; D007501:Iron; D008280:Magnetics; D008722:Methods; D010063:Ovum / Q000502:physiology*; D013997:Time Factors; D014783:Viscosity
D007501:Iron