776 



HANDBOOK OF PHYSIOLOGY 



CIRCULATION II 



circulation in, 1675 

 capillary bed 



maximum diffusing capacity, 1705 

 measurement of, 1705 

 size of, 1 705 



transmural pressure, 1 705 

 delayed compliance, 1696 

 distensibility, 1696 

 hysteresis, 1696 



pulmonary "resistance" vessels, 1696 

 stress relaxation, 1696 

 veins, 1675 



structure of, 1675 

 venules, structure of, 1675 

 Pulmonary blood volume 

 changes in, 1693 

 estimation 



Bradley equilibration curves, 1693 

 Newman exponential downslope 

 equation, 1692 

 in exercise, 171 5 

 lung volumes, 1693 

 measurement of, 1691, 1692 

 methodology, 1693 

 normal values, 1694 

 partition of, 1695 

 pulmonary arterial pressure and, 1715- 



1716 

 Stewart-Hamilton method, 1691 

 variations in, 1695 

 Pulmonary circulation 



acetylcholine and, 1700, 1726 

 arterial occlusion, 171 3-1 714 



ipsilateral oxygen uptake and, 1 7 1 3 

 blood volume, 1690- 1695 

 capillary- 

 circulation, 1 702-1 707 

 hematocrit, effect on gas exchange, 



1707 

 hematocrit, values for, 1 707 

 perfusion, alveolar ventilation and, 



1682 

 pressure, 1052 



pressure, wedge pressure and, 1688 

 cardiopulmonary disorders, 172 7- 1731 

 collaterals, 1265-1266, 1268, 1679 



development of, 1267 

 comparative physiology, 1671-1673 

 drugs and, I 724-1 727 

 dynamics of, 1667-1731 

 exercise and, 1714-1716 

 functional anatomy, 1673-1 681 

 growth of ideas about, 1669—167 1 

 hemodynamic 



interrelations, 1695- 1702 

 phenomena, 1 707-1 709 

 interplay with respiration, 1672 

 large vessels 



anatomical structure, 1674 

 subdivision of, 1674 

 measurement of collaterals in, 1271 

 mechanical influences on, 1716-1717 



oxygen tensions representative in, 17 19 

 pressure-volume relationship, 1696 

 respiration and, 1 709-1 713 

 serotonin and, 1725- 1726 

 test preparations for, 1673 

 vascular 



bed, blood pressure and, 1705 



distensibility, 1696 



pressure gradient, 1687 

 vasoconstriction 



in acute hypoxia, 1 7 1 9 



site of, 1 7 1 9 

 vasoconstrictors and, 1701, 1726 

 vasodilators and, 1726 

 vasomotion, 1699, 171 7-1 724 



passive mechanism, 1698 



pulmonary vasomotricity, 1698 

 vasomotor 



activity, 1 7 1 7 



control, 1680 



nerves, anatomical arrangement, 

 1680 



reflexes, autonomic nerve supply, 



1723 



waves, pulmonary arterial pressure 



and, 1723 

 waves, pulmonary arterial rhythm, 



1724 

 waves, Traube-Hering-Mayer waves, 



■723 



venous pressure 



left atrial events and, 1686 

 measurement of, 1686 

 values for, 1686 



venous return, left ventricular output 

 and, 1 1 18-1 1 ig 

 Pulmonary edema 



anoxia and, 1053 



atrial pressures and, 1052 



capillary "pore stretching" and, 1053 



causes of, 1 730 



experimental, 1729 



filtration pressure and, 1053 



lymph flow and, 1054 



"neurogenic", 1730 



pathogenesis of, 1054 



Starling's law, 1730 



Welch's hypothesis, 1 730 

 Pulmonary emphysema 



cor pulmonale and, 1728 



prolonged forced expiration, blood 

 pressure and, 1 7 1 2 



pulmonary artery pressure and, 17 10 



right atrial pressure and, 1 710 



right heart failure, 1 728 

 Pulmonary hypertension 



arterial pressure and, 1724 



bullous emphysema, 1727 



causes of, 1727 



elevated ventricular pressure and, 1 555 



granuloma, 1727 



interstitial fibrosis, 1727 



left heart failure, 1 727 



lymph flow and, 1052 



mitral stenosis, 1727 



mitral valvular disease, 1727 



primary pulmonary hypertension, 1727 



pulmonary 



arterial vasoconstriction, 1728 



arteritis, 1727 



blood flow and, 1727 



capillary filtration pressure, 1728 



emboli, 1727 



venous hypertension, 1727 



venous pressure and, 1727 

 restricted vascular bed, 1727 

 Pulmonary hypotension 



alveolar dead space and, 1730 

 causes of, 1 730 

 Pulmonary vascular resistance 

 anomalous viscosity, 1698 

 blood flow and, 1699 

 calculation of, 1 698 

 exercise and, 1699 

 factors involved, 1698 

 hypoxia and, 1725 

 in human infant at birth, 1641 

 initial breath and, 1640 

 in man, 1697 

 norepinephrine, 1725 

 pulmonary arterial pressures and, 1699 

 see also Vascular resistance 

 Pulmonic valve 



closure interval, 790 

 compared to aortic valve, 855-856 

 differential pressure across, 855-856 

 experimental stenosis, 1 730 

 incompetence, blood pressures and, 



1729 

 opening interval, 790 

 Pulse energy absorption 



instances of, 852 

 Pulse plethysmography 



discussion of, 1 283 

 Pulse technique 



discussion of, 1 3 1 9 

 Pulse wave 



aortic and pulmonary compared, 1686 

 arterial, distribution of, 849 

 brachial 



aortic regurgitation and, 831 



in chronic hypertension, 832 



varying levels, 831 

 central 



contour, 821 



stroke volume and, 833 

 contour 



central and peripheral, 825 



characteristics, 830 



diastolic, 832 



incisural vibration, 832 



modification, 824 



pressure and, 832 



slope of pressure rise, 830 



