CONTENTS 



PAGB 



CHAPTER I 



The Cell 13 



CHAPTER II 



The Adult Tissues of the Human Body 22 



CHAPTER III 



Muscular Tissue 29 



The Function of Muscle 36 



Tonus and Excitability 38 



The Contraction of Cardiac Muscle 39 



The Contraction of Smooth Muscle 39 



The Chemical Process in Muscle 40 



Fatigue 40 



The Electrical Properties of Muscle 41 



CHAPTER IV 



Nervous Tissue 42 



The Neuron 44 



The Structure and Investiture of Nerve Fibers and Nerves 50 



Gray Matter and White Matter 56 



The Cerebro-spinal and Sympathetic Systems 56 



CHAPTER V 



The Afferent and Efferent Neurons 58 



The Afferent Neurons of the Spinal Ganglia 59 



Afferent Nerve Endings 61 



Free Nerve Endings 61 



Tactile Discs 62 



The Auditory and Gustatory Endings 62 



Corpuscular and Spindle Organs 65 



Tendon and Muscle Spindles 67 



Ruffini's Endings 68 



Endings in Hair Follicles 69 



Afferent Neurons of the Olfactory Membrane 70 



Afferent Chains of the Optic Neurons 71 



The Efferent Neurons 73 



