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2.2.16. Cardiac flow
The ventricular pumping rhythm includes the systolic (contraction and ejection)/ diastolic (relaxation and filling) rhythmic flow in the ventral aorta; The systolic/ diastolic wave form of pressure is also detectable in the dorsal aorta, eventhough the branchial vascular network of the gills drops the blood pressure by ¼ to 1/3. Body undulations during swimming have also implicated in blood flow in higher fishes. |
Last modified: Friday, 30 December 2011, 7:21 AM