title: Intracellular distribution of calcium and phosphorus during the first cell division of the sea urchin egg.
mesh_terms: D000818:Animals; D002118:Calcium / Q000302:isolation & purification*; D004577:Electron Probe Microanalysis; D005260:Female; D005306:Fertilization; D005612:Freeze Drying; D008297:Male; D008938:Mitosis; D010063:Ovum / Q000032:analysis* / Q000254:growth & development; D010758:Phosphorus / Q000302:isolation & purification*; D012617:Sea Urchins; D013997:Time Factors
chemical_list: D010758:Phosphorus; D002118:Calcium