title: Radial cortical fibers and pronuclear migration in fertilized and artificially activated eggs of Lytechinus pictus.
mesh_terms: D000818:Animals; D002087:Butyrates / Q000494:pharmacology; D002467:Cell Nucleus / Q000502:physiology; D003078:Colchicine / Q000494:pharmacology; D005260:Female; D005306:Fertilization; D008297:Male; D008870:Microtubules / Q000502:physiology* / Q000648:ultrastructure; D009068:Movement; D010063:Ovum / Q000502:physiology / Q000648:ultrastructure*; D012617:Sea Urchins; D015053:Zygote / Q000648:ultrastructure*
chemical_list: D002087:Butyrates; D003078:Colchicine