xiv CONTENTS 



tion of mucus Composition and varieties of mucus General uses of mucus 

 Physiological anatomy of the sebaceous, ceruminous and Meibomian glands Ordi- 

 nary sebaceous matter Smegma of the prepuce and labia minora Vernix caseosa 



Cerumen Mammary secretion Mechanism of the secretion of milk General 

 conditions which modify the lacteal secretion Properties and composition of milk 



Microscopical characters -of milk Composition of the milk Colostrum Lacteal 

 secretion in the newly-born . . . . . ... . . . 268 



CHAPTER XII 

 EXCRETION BY THE SKIN 



Physiological anatomy of the skin Layers of the skin The corium, or true skin The 

 epidermis Physiological anatomy of the nails Physiological anatomy of the hairs 



Roots of the hairs, and hair-follicles Growth of the hairs Sudden blanching 

 of the hair Uses of the hairs Perspiration Quantity of cutaneous exhalation 

 Properties and composition of the sweat 305 



CHAPTER XIII 

 EXCRETION BY THE KIDNEYS 



Physiological anatomy of the kidneys Pyramidal substance Cortical substance Tubes 

 of the cortical substance Narrow tubes of Henle Distribution of bloodvessels in 

 the kidney Mechanism of the production and discharge of urine Influence of 

 blood-pressure, the nervous system etc., on the secretion of urine Phv './logical 

 anatomy of the urinary passages Mechanism of the discharge of urine Properties 

 and composition of the urine Urea Origin of urea Influence of the ingest: 

 the composition of the urine and on the discharge of nitrogen Influence of muscu- 

 lar exercise on the discharge of nitrogen Uric acid and its compounds Hippuric 

 acid, hippurates and lactates Calcium oxalate Xaothin, hypoxamhin, leu 

 tyrosin and taurin Fatty matters Inurganic constituents of the urine '-hlo' ' 



Sulphates Phosphates Water as a product of excretion Variations in tho 

 composition of the urine Variations with, age and sex Influence of mental exer- 

 tion Internal secretion Work of the kidneys .... ... 322 



CHAPTER XIV 

 USES OF THE LIVER DUCTLESS GLANDS 



Physiological anatomy of the liver Branches of the portal vein, the heputir artery ami 

 the hepatic duct Interlobular vessels Structure of a lobule Arrarr 

 bile-ducts in the lobules Anatomy of the excretory passages Gall- 

 and common ducts Chemistry of the liver Nerves arid lymphatics 

 Mechanism of the secretion of bile Quantity -of bile Uses of the bi 

 and composition of the bile Biliary salts Cholesterin and stercorin 

 Tests for bile Excretory action of the liver Origin of cholesterin- 

 glycogen in the liver Conditions that influence the quantity of sugar' : 



Ductless glands and internal secretion Suprarenal capsules Cort' ' 



Medullary substance Vessels and nerves Chemistry of the suprr 



Addison's disease The spleen Fibrous structure Malpighian bj :omposi 



- tj c ]p Bloodvessels, nerves and lymphatics Chemical constitution 

 me Extirpation Thyroid glsnd Structure Vessels and 

 i. Thymus gla-nd Pituitary body and pineal gland Acrom- 

 lerr>l secretion i e $ and ovaries .... 



