INDEX 



'783 



function of, 779 



in lymphatic vessels, 1054 



removal, blood pressures before and 



after, 1729 

 time intervals between motions, 790 

 venoatrial junction, 780 

 Valvula Eustachii 

 description, 780 

 Valvula Thebesii 



description, 780 

 van Itallie, T. B. 



Lipid metabolism in relation to physi- 

 ology and pathology of athero- 

 sclerosis, 1 167— 1 1 95 

 van't Hoff's law 

 deviations, 975 



physiological significance of, 975 

 protein osmotic pressure concentration 

 curve and, 973 

 Vasa recta 



function of, 1057, 1458 

 Vasa vasorum 

 classification, 885 

 flow resistance, 886 

 function of, 883 

 interna, description of, 885 

 location, 885 

 pressure and flow in, 886 

 types, 885 



vessel wall penetration, 885 

 Vasa venarum 

 anatomy of, 1076 

 drainage of, 885, 1076 

 in vascular disease, 1076 

 Vascular beds 



analysis of behavior, 935 

 autoregulation, 944 



definition, 942 

 blood volume in, 953-954 

 capacity, methods of studying, 953 

 compensation for pressure change, ter- 

 minology, 942 

 extravascular pressure and pressure- 

 flow relationships, 941 

 flow in, epinephrine and, 950 

 interpretation of behavior, 957 

 pressure-flow relations, 936 

 autoregulation and, 942 

 methods, 936 

 normal plots, 937 

 mathematical relationships, 937 

 venous pressure and, 941 

 resistance vessels 



autoregulation of, 941 

 chemical effects on, 948 

 extrinsic control, 948 

 segmental resistances in, 950-953 

 extrinsic agents and, 951 

 perfusion pressure and, 95 1 

 venous pressure and, 951 

 Vascular behavior 



interpretation of, 957 

 malfunction, 12 16 

 physical examination and, 12 18 

 simple clinical tests of, 1 2 1 8 

 Vascular capacity: see Vascular beds, 



blood volume in 

 Vascular hydraulics 



arterial system, blood flow in branches, 



852 

 axial flow, 842 

 compliance, 842 

 dilatability tests of, 1222 

 distensibility, time dependency in elas- 

 tic behavior and, 1084 

 distensible tubes, pulsatile flow in, 815 

 elements of, 841-845 

 flow source, pressure source and, 844 

 future considerations, 794 

 hydraulic impedance, 843-844 

 inertance, 841-842 

 principles of, io7g 

 problems of pulsatile flow in flexible 



tubes, 800 

 radial flow, 842-843 

 resistance, 841 



total flow in elastic pipe, equation, 843 

 Vascular resistance 



active pulmonary vasodilatation, 17 16 



arteriolar, hepatic inflow and, 1407 



calcium, magnesium and, 1 158 



cardiac output and, 1 1 18 



changes in organ volume and, 955 



circulatory effects of, 1 1 18 



collagen "jackets", 1716 



definition, 820 



during exercise, 17 16 



hypoxia and, 1 544 



mathematical relation 



to flow, 939 



to pressure, 939 

 muscle circulation vasoconstrictors and, 



1 36 1 

 passive pulmonary dilatation, 17 16 

 peripheral 



major site of, 895 



measurement of, 1 139 



potassium and, 1 149 



venous return and, 1 107, 1 108 

 postcapillary increase, results of, 956 

 precapillary increase, results of, 956 

 pH change and, 1 159 

 potential energy gradient, 17 16 

 resistance vessels, 936 



terminal vascular beds and, 936-950 

 terminal vascular beds, 935-957 

 total peripheral, drugs and, 1564 

 vasomotor activity, 1 7 1 6 

 venous 



blood flow and, 1 1 26 



pressure and, 11 26 



return and, 1 r 18 

 see also Pulmonary vascular resistance 



Vascular smooth muscle 

 adrenaline and, 1373 

 aging and, 872-875 

 arrangement, 806, 870 



plastic and contractile mechanisms, 

 87. 

 autonomic nervous system, 87 1 

 catch mechanisms, 871 

 collagen fibers as safety factor, 880 

 conduction in, 870 

 contractility, 927 

 contraction of, 870, 87 1 



arterial distensibility and, 806 

 creep in, 805 

 curare and, 1380 



elastic, viscoelastic, and plastic be- 

 haviors, 868 

 elasticity of veins and, 882 

 excitation in, 870 

 extensibility of, 805 

 extracellular ions, water and, 1 140 

 extracellular space of, 1 157 

 functional syncytium of, 870 

 intracellular ions, water and, 1140 

 in veins, 881 



ions and, methods of studying, 1 1 39 

 longitudinal, in arteries, 1268 

 measurement problems in, 11 42 

 methods of studying ion effects, 1139- 



1 142 

 modifying properties of collagen and 



elastic tissue, 872 

 oxygen lack and, 1 1 25 

 pressure-flow relations and, 870 

 properties, 870 

 response to stretch, 870 

 ring muscles, description of, 870 

 shift from plastic to viscoelastic be- 

 havior, 871 

 spontaneous pendular rhythm and, 870 

 stress-relaxation of, 872 

 structure of, 869 

 tension 



anions and, 1 1 59 



Ca and Mg and, 1 157 



cell volume and, 1 160 



changes of milieu and, 1 139 



diastolic blood pressure and, 1 1 39 



factors, 1 160 



K and, 1 1 45, 1 1 46 



K infusion and, 1 149 



measurement of, 1 1 40 



Na and, 1 144, 1 154 



Na and K in, 1 151 



Na gradient and, 1 145 



Na infusion, 1 147 



permeability to Na and, 1 160 



pH and, 1 158 



ratio of K and Na, 1 1 47 



role of ions in, 1 142-1 159 



sodium and, 1 147 



water and, 1 154 



