title: Gurken activity in nurse cells polarizes Drosophila oocytes.
mesh_terms: D000818:Animals; D016764:Cell Polarity; D004330:Drosophila / Q000502:physiology*; D029721:Drosophila Proteins / Q000235:genetics / Q000378:metabolism*; D005260:Female; D009865:Oocytes / Q000166:cytology* / Q000502:physiology; D016211:Transforming Growth Factor alpha / Q000235:genetics / Q000378:metabolism*
chemical_list: D029721:Drosophila Proteins; D016211:Transforming Growth Factor alpha; C083730:grk protein, Drosophila