CONTENTS 

 CHAPTER V (continued) 



SECTION PAGE 



IV. THE CONDITIONS AFFECTING THE MECHANICAL RESPONSE OF A 



MUSCLE .205 



V. THE CHEMICAL CHANGES IN MUSCLE 212 



VI. THE PRODUCTION OP HEAT IN MUSCLE . 219 



VII. ELECTRICAL CHANGES IN MUSCLE . . 224 



VIII. THE INTIMATE NATURE OF MUSCULAR CONTRACTION . ' .234 



IX. VOLUNTARY CONTRACTION . 239 



X. OTHER FORMS OF CONTRACTILE TISSUE .... 243 



CHAPTER VI 

 NERVE FIBRES (CONDUCTING TISSUES) 



I. THE STRUCTURE OF NERVE FIBRES '..... 250 



II. PROPAGATION ALONG NERVE FIBRES 253 



III. EVENTS ACCOMPANYING THE PASSAGE OF A NERVOUS IMPULSE 256 



IV. CONDITIONS AFFECTING THE PASSAGE OF A NERVOUS IMPULSE 258 

 V. THE EXCITATION OF NERVE FIBRES . 262 



VI. THE CONDITIONS WHICH DETERMINE ELECTRICAL STIMULATION 270 



VII. THE NEURO-MUSCULAR JUNCTION 275 



VIII. POLARISATION PHENOMENA IN NERVE ..... 280 



IX. THE NATURE OF THE EXCITATORY PROCESS . . . 284 



CHAPTER VII 



THE CENTRAL NERVOUS SYSTEM 



I. THE EVOLUTION AND SIGNIFICANCE OF THE NERVOUS SYSTEM 288 

 II. THE NERVOUS SYSTEM OF VERTEBRATES . . . .297 



III. GENERAL CHARACTERISTICS OF REFLEX ACTIONS . . . 303 



IV. NATURE OF THE CONNECTION BETWEEN NEURONS . . . 307 

 V. FUNCTIONS OF THE NERVE CELL 312 



THE SPINAL CORD 



VI. STRUCTURE OF THE SPINAL CORD 315 



VII. THE SPINAL CORD AS A REFLEX CENTRE . . 322 



VIII. THE MECHANISM OF CO-ORDINATED MOVEMEM . . 338 



IX. TROPHIC FUNCTIONS OF THE CORD ..... 349 



X. THE SPINAL CORD AS A CONDUCTOR 351 



THE BRAIN 



XI. THE STRUCTURE OF THE BRAIN STEM 361 



XII. THE FUNCTIONS OF THE BRAIN STEM 390 



XIII. THE FUNCTIONS OF THE CEREBELLUM 395 



X I V. VISUAL REFLEXES 405 



XV. SUMMARY OF THE CONNECTIONS AND FUNCTIONS OF THE CRANIAL 



NERVES . 409 



