ventricular injections of hyperosmotic saline ( 1 or 2 microliter of nacl solutions with osmolarities of 0.6 or 1.2 osmol/l ) and distilled water ( 1 or 2 microliter ) at the level of the anteroventral third ventricle ( av3v ) changed the firing rate of zi neurons .
C0980221
injections
C0037494
nacl