Developmental hemodynamic changes in the chick embryo from stage 18 to 27.

  title={Developmental hemodynamic changes in the chick embryo from stage 18 to 27.},
  author={Edward B. Clark and Norman Hu},
  journal={Circulation research},
  volume={51 6},
We report the hemodynamic parameters of stage 18, 21, 24, and 27 chick embryos (from 3 to 5 days of incubation). Dorsal aortic blood velocity and mean vitelline artery blood pressure are measured with a 20 MHz pulsed-Doppler meter and servo-null pressure system respectively. We also measure heart rate, dorsal aortic diameter and embryo weight of each developmental stage. From these data, we calculate mean dorsal aortic blood flow, mean dorsal aortic blood flow per cardiac cycle, mean dorsal… CONTINUE READING


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