Vlll STUDIES IN ADVANCED PHYSIOLOGY. 



CHAPTER XVI. PAGE. 



Nutrition and the Metabolic Changes in the Tissues. 



General questions. Uses of the classes of foods. Use of proteids. 

 Disintegration of living 1 tissue. Formation of urea. For- 

 mation of C0 2 . Reconstruction of living tissue. Use of fats 

 and sugars. Nutritive equilibrium. Kreatin. Kreatinin. 

 Inter-relation of fats and carbohydrates 365 



CHAPTER XVII. 

 The Maintenance of the Animal Heat. 



Normal temperature of body. Warm-blooded, cold-blooded ani- 

 mals. Variations in temperature. Conditions affecting the 

 temperature. The regulation of the temperature. Thermo- 

 genic nerves. Quantitative determinations of the source 

 and expenditure of heat. The amount of heat lost by the 

 body 376 



CHAPTER XVIII. 



The Kidneys, the Skin and the General Physiology of 

 Excretion. 



Kidneys. Anatomy of urinary organs. Circulation through kid- 

 neys. Uriniferous tubules. Urine. Composition of urine. 

 Source of the urea. Skin. Epidermis. Dermis. Nails. 

 Hairs. Sebaceous glands. Sweat glands. Nerves of sweat 

 glands. Composition of sweat 385 



CHAPTER XIX. 

 The Anatomy and Physiology of the Nervous System. 



Nerve systems. Nervous elements. Nerves. Nerve Trunks. 

 Plexuses. Nerve centers. Ganglia. Dura mater. Pia mater. 

 Arachnoid membrane. Spinal cord. Spinal nerves. Brain. 

 Weight of brain. Convolutions. Interior of brain. Ven- 

 tricles. Cranial nerves. Sympathetic system. Histology 

 of nervous system. Neurons. Minute structure of nerves 

 and nerve trunks. Gray fibres. Development of nerves. 

 Regeneration of nerves. Neuroglia. Nerve stimuli. Nature 

 of a nervous impulse. Kinds of nerve fibres. Finer archi- 

 tecture of central nervous system. Arrangement of motor 

 neurons. Arrangement of sensory neurons. Medulla. 

 Function of cerebellum. Function of midbrain. Function 

 of cerebrum. Localization of centers in the brain. Physi- 

 ological topography of the brain. Consciousness. Sleep. 

 Hypnotic phenomena. Time relations in psychic phe- 

 nomena. Personal equation 409 



