xii CONTENTS 



CHAPTER XVIII 

 METABOLISM \ 



Secretion and secreting organs; excretion and excreting organs; general metabo- 

 lism; uses of food; values in metabolism; calorific value; diet charts; influ- 

 ences effecting metabolim; animal heat; heat production; heat dissipation; 



range of normal temperature; preservation of heat 269 



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CHAPTER XIX 

 THE NERVE SYSTEM 



Two divisions of the nerve system, cerebro-spinal and sympathetic; the neuron, 

 cell body and nerve fiber; cerebro-spinal division; gray and white nerve 

 tissues; nerve centers; spinal cord and membranes; structure of spinal 

 nerves; surgical and clinical notes 277 



CHAPTER XX 

 THE SPINAL NERVES 



Anterior and posterior divisions; the cauda equina; cervical plexus, phrenic 

 nerve; brachial plexus, radial, ulnar and median nerves; lumbar plexus, 

 femoral nerve; sacral plexus, sciatic nerves 284 



CHAPTER XXI 

 THE BRAIN AND CRANIAL NERVES 



Structure of brain, cortex and fibers; fissures; ganglia; internal capsule; cere- 

 bellum; medulla oblongata; pons; crura; ventricles of brain; membranes of 

 brain; cranial nerves; physiology of brain and cranial nerves; cerebral 

 localization, surgical and clinical notes 299 



CHAPTER XXII 

 THE SYMPATHETIC DIVISION OF THE NERVE SYSTEM 



Vertebral ganglia; cardiac and splanchnic nerves; cardiac and celiac (solar) 

 plexuses; semilunar ganglia; functions of sympathetic nerves; vasomotor 

 and reflex, presiding over visceral action; functions of nerve system as a 

 whole; Important notes; Summary 316 



CHAPTER XXIII 

 THE SPECIAL SENSES 



General and special sensation; the sense of smell, olfactory region; the sense of 

 touch, touch corpuscles; the sense of taste, taste buds; the sense of hearing, 

 external ear and auditory canal; middle ear or tympanum and auditory 

 tube; internal ear or labyrinth; acoustic nerves 325 



