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Figure 3 | Journal of Translational Medicine

Figure 3

From: "Ejaculatory disorders and α1-adrenoceptor antagonists therapy: clinical and experimental researches"

Figure 3

Following a dose-response stimulation with cumulative logarithmic doses of noradrenaline, it has been possible to observe that high doses of mediator markedly increase the basic tone without altering the maximum contraction (which is manifest in rapid phasic contractions), as if the "twitch" represents a contraction caused by the simultaneous excitation of all muscle cells and cannot be consequently exceeded.

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