21. The hormone vasopressin , stimulates the activity of NKCC2. 22. Urea transport in the kidney is regulated by vasopressin . 23. A second physiological response in relation to stress occurs via the vasopressin axis. 24. High levels of vasopressin can lead to decreases in sexual motivation for females. 25. After people have taken ecstasy, their blood contains unusually high concentrations of vasopressin . 26. Other hormones secreted from the median eminence include vasopressin , oxytocin, and neurotensin. 27. In the hypothalamus, it activates vasopressin release. 28. Desmopressin is degraded more slowly than recombinant vasopressin , and requires less frequent administration. 29. Conivaptan inhibits two of the three subtypes of the vasopressin receptor ( V2 ). 30. The SFO plays a role in vasopressin regulation.