The primary site of action for probiotics is the gastrointestinal tract. (essentialformulas.com)
Their primary site of action is in the central nervous system, where they inhibit nerve transmission by a mechanism distinct from that of local anesthetics. (scientificamerican.com)
Over the last three decades Kratsman has provided Israelis — and his audience around the world — with a unique visual conceptual language, illuminating clandestine sites of action and giving voice to the sometimes mute protagonists of the Israeli - Palestinian conflict. (blog.politics.ox.ac.uk)