1766 



HANDBOOK OF PHYSIOLOGY 



CIKOI'LATION II 



veins of, 1 39 1 



sphincter in, 1391 

 venous 



catheterization, 1395 



outHow measurement, 1 392 

 viscosity, 1411 

 volume 



arterial inflow tract, 1412 



flow distensibility and, 141-' 

 Hepatic lymph 



formation of, 1050 

 pathways, 1050 

 protein 



concentration, 1050 



distribution. 1050 

 rate of flow, 1051 

 volume, 1050 



in relation to plasma, 1051 

 Hereditv 



atherosclerosis, 1 205- 1 206 

 lipid metabolism and, 1205 

 Hexamcthonium chloride 



renal blood flow and, 1487 

 High altitude 



cardiac output, 1720 

 children and, 1 72 1 

 exercise, 1 720 

 Histamine 



as a lymphagogue, 1059 

 capillary 



permeability and, 1059, 1061 



pressure and, 996 

 cutaneous blood flow and, 1346 

 edema and, 970 

 effects of, 1 725 

 gastric blood flow and, 144b 

 hepatic circulation and, 1423 

 in lymph, 1047 



intestinal blood flow and, 1448 

 pancreatic blood flow and, 1450 

 reactive hyperemia and, 1329, 1375 

 skin circulation and, 1334, 1345 

 smooth muscle potential and, 1155 

 species difference in action, 1059 

 splenic blood flow and, 1450 

 total systemic effect, 1423 

 vascular 



changes due to, 969 



pressures and interstitial, 970 

 venoconstrictor responses, 1094 

 wheal test, 1223 

 Histodynamics 



principles, 1258 

 Historical development 



concepts, pulmonary circulation, [670 

 contributors, 1670 

 Barcroft, 1673 



Fick, 1670 

 Henderson, 1673 



Lower, 1670 

 Ludwig, 1670 

 Hormones 



atherosclerosis and, 1 199 



collateral circulation and, [265 



estrogen and, 1 600-1 bo 2 



lipid metabolism and, 1 199 



pregnancy and, 1602-1612 

 Hoyer-Grosser canal 



description, 1252 

 1 [yaluronic acid 



»m-1s, diffusion and, 1021 

 I lyaluronidase 



experimental atherosclerosis and, 1202 

 Hydralazine 



postpartum uterine blood flow and, 

 1608 



renal blood flow and, 1487 

 I [ydraulic impedance 



definition of, 843 



discussion of, 843-844 

 Hydraulic reactance 



definition, 844 



equation for, 844 



in pressure-flow diagram, 844 

 Hydrochloric acid 



mean activity coefficient, in given solu- 

 tion, 1 137 

 Hydrochlorothiazide 



hypertension and, 1 1 42 

 Hydrodynamic conductivity : see 



Filtration coefficients 

 Hydrodynamic transcapillary flow 



of water, pore size and, 1004 

 Hydrogen ion 



entrance rate into muscle, 1 1 38 



mobility in electric field, 1138 



relative diameter, 1 1 38 

 Hydrogen ion concentration 



capillary filtration coefficients, 998 



change, vascular resistance and, n 59 



exercise hyperemia and, 1379 



filtration coefficients and, 997 



membrane permeability and, 1 159 



mesenteric, filtration coefficients of, 998 



vascular smooth muscle tension and, 



1 15 81 '59 

 1 1\ dropenia 



urea distribution in kidney and, 1 47 1 

 Hydrostatic pressure 



peripheral venous pressures and, 1127 

 venous pressure and, 1 1 26 

 Hypercapnia 



central, venoconstrictor responses, 1094 

 hepatic circulation and. 1422 

 intestinal blood flow and, 1449 

 renal blood flow and, 1504 

 Hyperemia 



capillary pressure and, 968 

 coronary blood flow and, 1554 

 exercise, 1355, 1368 

 anoxia and, 1376 

 blood pressure and, 1378 

 bradykinin and, 1380 

 ischemia and, 1376 



lactic acid and, 1379 



metabolites and, 1378 



skeletal muscle circulation, 1376- 

 1380 

 prolonged insufficiency of circulation 



1, 1330 



reactive 



anaerobic metabolism, 1540 



arteriovenous shunts and, 1540 



blood flow and, 1376 



blood pressure and, 1539 



centra] nervous system and, 1329 



definition, 1539 



explanation for, 1539 



heart rate and, 1539 



histamine and, 1329 



in skeletal muscle, 1374-1376 



in skin, 1329 



lactic acid levels, 1540 



length of occlusion time and. 1539 



magnitude of, 944 



mechanism of, 944 



oxygen consumption during, 1540 



oxygen debt and, 1540 



size and duration, 1329 



temperature and, 1329 



volume of blood flow, 1539 



vascular events during, 1375 

 Hypertension 



acute, Na and K. in, 1 151 

 capillary pressure and, 968 

 chronic 



brachial pulse in, 832 



measurement of Na and K in, 1 150 

 damping of incisura and, 832 

 electrolytes in vascular tissue and, 1 150 

 lipoprotein diffusion and, 1046 

 Na as primary etiological factor, 1 143 

 relation of Na and K, 1142, 1143 

 venous pressure and, 1224 

 r« also Blood pressures 

 Hyperthermia 

 diathermy, 1560 

 see also Fever 

 Hyperthyroidism 

 cardiac effects, 1552 

 cholesterol metabolism and, 1199 

 Hypertonic solutions 



action of, 1717 

 Hypoglycemia 



skin circulation and, 1344 

 Hypoproteinemia 



protein concentration in extravascular 



fluids, 985 

 protein in interstitial fluid and, 985 

 Hypotension 



acute, Na and K in, 1 151 



chronic, measurement of Na and K in, 



1 150 

 hemorrhagic, renal blood flow and, 



■5°5 

 Hypothalamic stimulation 



