Coronary flow regulation in the fetal sheep.

  title={Coronary flow regulation in the fetal sheep.},
  author={Kent L. Thornburg and Mark D. Reller},
  journal={American journal of physiology. Regulatory, integrative and comparative physiology},
  volume={277 5},
The two ventricles of the fetal sheep heart have anatomic and biochemical differences that account for their differing functional capabilities and blood flows. Coronary flows to both ventricles have been measured using radiolabeled microspheres [or left ventricular (LV) flow, by Doppler sensor on the circumflex coronary artery] during experiments of pressure loading and chronic and acute hypoxemia. Blood flow to the left ventricle with its lower wall tension is about two-thirds the flow per… CONTINUE READING


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