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. 2017 Feb 13;69(5):286–297. doi: 10.1097/FJC.0000000000000472

FIGURE 6.

FIGURE 6.

α-MSH effects on vascular tone. Effects of α-MSH on tone of rat abdominal aortic rings precontracted with 1 μM phenylephrine, in rings from which intimal endothelium had been debrided (naive ET-); and rings from which endothelium remained intact (naive). Effects of α-MSH on contractile force of naive, versus naive ET-rings are shown in the left panel, with influence of NOARG, INDO, and NOARG + INDO on α-MSH–treated naive rings shown in the right panel. For both diagrams, the x axis denotes the common logarithm of the molar concentration of α-MSH, and the y axis indicates the effect as a percentage decrease of the initial contractile force. The symbols show the responses to α-MSH averaged within the groups (±SEM).