Xll TABLE OF CONTENTS. 



PAGE 



Quantity of blood in the human body V ! '" . T '. 172 



Variety in composition of the blood in different physiological 

 conditions ; sex, pregnancy, age, during digestion, &c. 

 Do. in the lower animals Different composition of the 

 blood in different vessels : 1. Arteries and veins ; 2. Por- 

 tal vein ; 3. Hepatic vein ; 4. Placental vessels ; 5. Veins 

 of extremities ; 6. Menstrual blood ,., . . 173 



Pathological states of blood in inflammation ; fevers ; cholera ; dysentery ; 

 acute exanthemata ; puerperal fever ; Bright's disease ; plethora ; anae- 

 mia ; chlorosis ; leucaemia ; pyaemia ; carcinoma ; diabetes ; etheriza- 

 tion Diseases in which, each of the elements of the blood is increased 

 or diminished ........ 176 



CHAPTER II. 



BEROUS SECRETIONS, AND TRANSUDATIONS. 



Distinction between secretion, transudation, and exudation . . . 179 



1. The serous secretions. Distinguished from others so called Their 



normal quantity Origin Uses ..... 180 



2. Transudations. Enumeration of Pathological do. Transudation 



results from a physical necessity in certain circumstances Ex- 

 plain them Resemble blood-serum in chemical composition 

 Quantity of albumen in ; do. of salts ; do. fibrine Fat in them ; 

 bile pigment, urea, &c. Quantity of Transudations Uses . 181 



3. Exudations. Definition of an exudation How differing from transu- 



dation Contain uo histological elements at first Their origin 



Uses ......... 184 



Varieties of exudations Changes occurring in them ; absorption, or- 

 ganization, and suppuration Circumstances determining between 

 organization and suppuration of exudations . . . 186 



Origin and character of pus. 1. Pus-serum ; 2. Pus-corpuscles; nuclei 

 and contents of the latter How long a time necessary for the 

 formation of pus Character of true pus. " Sterile" cells Uses of 

 pus Suppuration a destructive process When desirable . . 189 



CHAPTER III. 



THE MUCOUS AND THE GLANDULAR SECRETIONS. 



SECTION FIRST. Mucus. 



Mucus secreted by epithelial cells alone The membrane, as such, having 



no special function Mucus varies in composition . . . 194 



1. Liquor Muci. 2. Mucus corpuscles, so called . . 196 



Quantity secreted by mucous membranes . . 197 



Its origin .... . . . . . 197 



Uses of mucus .' < .... 198 



Three varieties of mucus . . . . .198 



Relations of synovia to mucus . . . .198 



The gastric fluid. Description Chemical composition Pepsin Acids of 



the gastric juices-Its origin Quantity in twenty-four hours Uses . 198 



