Fig. 5.
Dose-response relations for gland mucus secretion to carbachol and phenylephrine. Vmax values were (in pl·min−1·gland−1) 1,817 ± 268 for carbachol and 1,801 ± 95 for phenylephrine; EC50 values (in nM) were 559 ± 144 for carbachol and 3,731 ± 388 for phenylephrine. (For additional information see supplemental Fig. S2.)