title: What goes out must come in.
authors.forename: W J
authors.initials: WJ
authors.lastname: Betz
authors.forename: D A
authors.initials: DA
authors.lastname: Richards
mesh_terms: D000818:Animals; D004705:Endocytosis; D005089:Exocytosis; D005260:Female; D009865:Oocytes / Q000502:physiology*; D012617:Sea Urchins; D013572:Synaptic Vesicles / Q000502:physiology*