title: Analysis of cleavage stimulus by means of micromanipulation of sea urchin eggs.
mesh_terms: D000818:Animals; D002455:Cell Division; D002467:Cell Nucleus; D002875:Chromosomes; D005260:Female; D008846:Micromanipulation; D008853:Microscopy; D008858:Microscopy, Phase-Contrast; D008866:Microsurgery; D008938:Mitosis; D010063:Ovum; D012617:Sea Urchins / Q000196:embryology; D013997:Time Factors