we now present data showing that ( 1 ) central administration of [ arg8 ] vasopressin ( avp ) and more potently [ pglu , cyt ] avp ( 4-8 ) , the desglycinamide derivative of a peptide generated from avp by brain synaptic membranes , produce the behavioural effect ( promotion of passive avoidance behaviour ) without the pressor effect ;
C0006104
brain
C0004927
behavioural