Figure 4: Representative NIR signal contractility plots of CLV response to topical treatment of PGF2α.

Eight-min movies were acquired with administration of 40 μL of either 0.1% DMSO vehicle control or 1 μmol/L, 10 μmol/L or 60 μmol/L PGF2α at t = 2 min. (a) Response to 0.1% DMSO. (b) Response to 1 μmol/L PGF2α. (c) Response to 10 μmol/L PGF2α. (d) Response to 60 μmol/L PGF2α.