title: Sea urchins point the way.
authors: Monica
authors: M
authors: Harrington
mesh_terms: D000818:Animals; D004784:Environmental Monitoring / Q000379:methods; D007111:Immunity, Cellular / Q000276:immunology; D023421:Models, Animal; D012617:Sea Urchins / Q000276:immunology* / Q000502:physiology*; D015398:Signal Transduction / Q000502:physiology