title: Significance of the polar lobe for the determination of dorsoventral polarity in Dentalium vulgare (da Costa).
mesh_terms: D000818:Animals; D002455:Cell Division; D002459:Cell Fusion; D003571:Cytochalasin B / Q000494:pharmacology; D004625:Embryo, Nonmammalian / Q000166:cytology; D005260:Female; D008974:Mollusca / Q000196:embryology*; D009024:Morphogenesis; D015053:Zygote / Q000166:cytology
chemical_list: D003571:Cytochalasin B