OBSERVATIONS ON THE RÔLE OF THE THEBESIAN VEINS AND LUMINAL VESSELS IN THE RIGHT VENTRICLE

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Abstract
The role of the thebesian veins and luminal vessels of the right ventricle was studied by injecting India Ink or Berlin Blue into the isolated right ventricle of the beating heart. There was no gross or microscopic inj. of the myocardium when right ventricular systolic pressure was below left ventricular systolic pressure. Gross and microscopic myocardial injection occurred only when right ventricular systolic and diastolic pressures exceeded left ventricular systolic and diastolic pressures respectively. Therefore, in the normally beating heart myocardial nourishment does not occur through these channels from the right ventricle.

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