XIV CONTENTS 



CHAPTER XXIII PAGE 



THE BLOODFLOW IN THE ARTERIES 198 



The Pulses, 198; General Characteristics, 198; Rate of Transmission of Pulse 

 Waves, 198; Contour of the Pulse Curve, 200; Velocity Pulse, 200; Palpable 

 Pulse, 202; Analysis of the Curve, 202; The Dicrotic Wave, 203; Causes of 

 Disappearance of the Pulse in the Veins, 205. 



CHAPTER XXIV 



RATE OF MOVEMENT OF THE BLOOD IN THE BLOOD VESSELS 206 



Velocity of Flow, 206; Mass Movement of the Blood, 208; The Visceral Blood- 

 flow in Man, 212; Work of the Heart, 212; Circulation Time, 213; Movement 

 of Blood in the Veins, 214. 



CHAPTER XXV 



THE CONTROL OF THE CIRCULATION 216 



Nerve Control, 217; Vagus Control in the Cold-blooded and the Mammalian 

 Heart, 217; Tonic Vagus Action, 221; Afferent Vagus Impulses, 222; Mechan- 

 ism of Vagus, 224 ; Termination of the Vagus Fibers in the Heart, 22o ; Sym- 

 pathetic Control, 227. 



CHAPTER XXVI 



THE CONTROL OF THE CIRCULATION (CONT'D) . 229 



Nerve Control of Peripheral Resistance, 229; Detection of Vasomotor Fibers 

 in Nerves, 231; Origin of Vasomotor Nerve Fibers, 232; Vasomotor Nerve 

 Centers, 235 ; Independent Tonicity of Blood Vessels, 236. 



CHAPTER XXVII 



THE CONTROL OF THE CIRCULATION (CONT'D) 237 



Control of the Vasomotor Center, 237; Hormone Control, 237; Nerve Control, 

 238; Pressor and Depressor Impulses, 239; Reciprocal Innervation of Vascular 

 Areas, 243; Influence of Gravity on the Circulation, 244. 



CHAPTER XXVIII 



PECULIARITIES OF BLOOD SUPPLY IN CERTAIN VISCERA . . . 247 



Circulation in the Brain, 247; Anatomical Peculiarities, 247; Physical Condi- 

 tions of Circulation, 249; Vasomotor Nerves, 252; Intracranial Pressure, 253; 

 Circulation through the Lungs, 253; Circulation through the Liver, 255; The 

 Coronary Circulation, 257. 



CHAPTER XXIX 



CLINICAL APPLICATIONS OF CERTAIN PHYSIOLOGIC METHODS 259 



Electrocardiograms, 259; The Ventricular Complex, 262. 



CHAPTER XXX 



CLINICAL APPLICATIONS OF CERTAIN PHYSIOLOGIC METHODS (CONT'D) 266 



Electrocardiograms of the More Usual Forms of Cardiac Irregularities, 266; 

 Sinus Arrhythmia, 266 ; Sinus Bradycardia, 266 ; The Extrasystole, 266 ; Parox- 

 ysmal Tachycardia, 269; Auricular Fibrillation, 269; Auricular Flutter, 269; 

 Heart-block, 270. 



