1778 



HANDBOOK OF PHYSIOLOGY 



CIRCULATION II 



and papillary blood supply, 1460 

 in antidiuresis, 1499 

 in diuresis, 1499 



perfusion pressure and regional transit 

 time, 1500 



pressure gradients, 1475-1479 



regional resistance changes, 1 49*3 



sinusoidal cushions, 1461 



stenoses, definition, 1461 



to medullary zones, 1464 



Trueta juxtamedullary shunt, 1497- 

 1501 



vasa recta system, 1 465 



venous 



sinuses, 1459 

 system, 1459 

 valves, 1460 



veno-venous anastomoses, 1459 

 Renal clearance 



factor affecting extraction ratio, 1 482 



in mammals, 1483 

 Renal disease 



pyelolymphatic backflow in, 1058 

 Renal lymph 



capsular, components, 1 056 



colloid osmotic pressure and, 1057 



composition, 1055, 1466 

 compared to plasma, 1056 

 venous pressure and, 1057 



flow rate, 1055 



glucose concentration, 1 055-1 056 



protein concentration, 1056 



production, 1466 



renal injury and, 1058 



sodium concentration, 1056 



source of, 1055 



urea concentration, 1 055-1 056 

 Renin 



juxtaglomerular complex and, 1464 

 Reserpine 



splanchnic circulation and, 141 7 

 Reservoir, arterial 



reconstruction of extensibility response 

 in, 816 

 Resistance 



theoretical discussion of, 841 



see also Vascular resistance 

 Resistance flow patterns 



definition, 853 

 Resonance 



explanation, 826 



model for, 826 

 Resonant wave 



definition, 847 



function of, 852 

 Respiration 



central venous pressure and, 1 124 



deep inspiration, venoconstrictor 

 responses, 1094 



fetal, circulation changes, 1640 



forced expiration, 17 13 



in newborn, course of blood and, 1639 



inspiration, hepatic circulation and, 



1426 

 pulmonary circulation and, 1672 

 right ventricular stroke volume, 785 

 vena cava! flow and, 857 

 ventricular stroke volume and, 784 

 see also Negative pressure breathing; 

 Positive pressure breathing 



Respiratory acidosis 

 effects of, 1545-1546 



Respiratory gases 



capillary permeability and, 1018 



Rest 



aortic flow curve at, 773 

 coronary blood flow and, 1554 

 oxygen uptake, cardiac output and, 



1682 

 pulmonary vessel oxygen tension and, 



■7>9 

 Reticuloendothelial cells 



blood flow, phagocytic action and, 1401 

 Retina 



capillary pressure in, 966 

 Reynolds number 



critical value and inlet length, 1296 

 Reynolds, S. R. M. 



Maternal blood flow in the uterus and 

 placenta, 1 585-1618 

 Rheoplethysmography 



of digital flow, 1220-1222 

 Rheumatic fever: see Collagen diseases 

 Rheumatoid arthritis: see Collagen dis- 

 eases 

 Rodents 



uterus in, 1585 

 Root, VV. S. 



The flow of blood through bones and 

 joints, 1651-1665 

 Rose bengal 



removal from blood, 1397 



transfer from blood to bile, 1 397 



value in clearance studies, 1 400 

 Rouget cell 



capillary contractility and, 923 



function, 923 



smooth muscle cells and, 924 

 Rubella virus 



cardiovascular abnormalities and, 1624 

 Rubidium 



entrance rate into muscle, 1 138 



ion diameters, 1 1 38 



ionic radii of, 1 137 



mobility in electric field, 1 1 38 



relative diameter, 1 1 38 

 Rutin 



vascular effects of, 972 



Sartorius muscle 



weight, Na and, 1 136 

 Scleroderma 



blood vessels and, 1239 



characterization, 1238 



organs involved, 1239 



picture of, 1 238 



Raynaud's phenomena and, 1239 



skin pathology in, 1238 



vascular signs, 1 239 



see also Collagen diseases 

 Scotomata 



menstrual cycle and, 1599 

 Secretin 



pancreatic blood flow and, 1450 

 Semilunar valve 



closure 



backflow wave and, in congenital ste- 

 nosis, 859-860 

 interval, 790 



opening interval, 790 



passive movements of, 779 

 Sensory afferent fibers 



distribution, 1526 



origin, 1 525-1 526 

 Septal defects 



aortic blood flow, 857 



pulmonary blood flow and, 857 



ventricular ejection pulses and, 857 

 Seroche: see Mountain sickness 

 Serotonin 



arterial and venous 

 effects, 1094 

 pressures and, 1088 



capillary permeability and, 1061 



effects of, 1726 



gastric blood flow and, 1447 



hepatic circulation and, 1423 



intestinal blood flow and, 1448 



mesenteric blood flow and, 1451 



possible role in arterial spasm, 1237 



renal hemodynamics and, 1488 



skeletal muscles and, 1355 



skin circulation and, 1345 



vascular changes due to, 969 



vessels affected by, 951 



venoconstrictor responses, 1094 

 Serum 



permeability of mammalian muscle 

 capillaries to, 1013 

 Serum albumin 



disappearance from plasma, 1008 

 Serum cholesterol 



aging and, 1 198 



atherosclerosis and, 1 1 97 



diet and, 1 182 



dietary cholesterol and, 1 184 



lowering 



by dietary means, 1 1 85 

 mechanism, 1 185 



neomycin and, 1 187 



thyroxin and, 1186-1187 

 Serum lipids 



atherosclerosis and, 11 75-1 180, 1 187 



chain length of dietary fat and, 1 183 



classification, 1 1 75 



description, 1 1 75 



