title: Cortical differentiation of the animal pole during maturation division in fertilized eggs of Tubifex (Annelida, Oligochaeta). I. Meiotic apparatus formation.
mesh_terms: D000818:Animals; D002455:Cell Division / Q000187:drug effects; D003571:Cytochalasin B / Q000494:pharmacology; D005260:Female; D007698:Kinesis; D008540:Meiosis; D008677:Metaphase; D009835:Oligochaeta / Q000196:embryology* / Q000254:growth & development; D011418:Prophase; D013997:Time Factors; D015053:Zygote / Q000648:ultrastructure*
chemical_list: D003571:Cytochalasin B