title: Simplified technique for the observation of asters in amphibian eggs stratified by centrifugation.
mesh_terms: D000818:Animals; D002022:Bufo arenarum / Q000033:anatomy & histology*; D002498:Centrifugation / Q000379:methods*; D005260:Female; D009865:Oocytes / Q000648:ultrastructure*; D009940:Organoids / Q000648:ultrastructure