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. Author manuscript; available in PMC: 2012 Jan 22.
Published in final edited form as: Drug Discov Today Dis Models. 2008 Autumn;5(3):135–140. doi: 10.1016/j.ddmod.2009.02.003

Figure 1.

Figure 1

zCAS analysis for embryonic fish cardiac function. (A) Tg(cmlc2:GFP) heart of 2 dpf zebrafish embryo. Asterisk and double asterisk mark regions of the atrium and ventricle scanned. (B) Representative atrial cardiac contraction profile. (C) Representative ventricular cardiac contraction profile. (D) Magnified view of atrial contraction from (B). Heart rate determined by measuring time between two systolic phases, t1 and t2. D: end-diastolic diameter, s: end-systolic diameter. (E) Heart rate measured by the zCAS program during fish development. dpf: days post fertilization.