CHAPTER VII. 



SYSTEMATIC ANALYSIS OF TISSUES AND FLUIDS. 



ORGANIC AND CHEMICAL ELEMENTS. 



541. HITHERTO the several characteristics of parts 

 have merely exhibited the sum of the characteristics of 

 their subdivisions; guided by this indication, the Analy- 

 sis has been obvious, and easily made. 



542. THE ANALYSIS OF TISSUES WILL EXHIBIT en- 

 tirely new features ; and the student will perceive that 

 in entering upon the study of General Physiology, Anat- 

 omy, and Hygiene, he has entered upon a new field of 

 inquiry, and must adopt new methods of investigation. 



543. HE WILL BE WELL REWARDED, as he will reach 

 the very heart and marrow of the practical phase of the 

 subject, which will also present to his mind the most 

 exquisite, delicious, seedful thoughts. 



544. THE CHARACTERISTICS OF TISSUES are not the 

 sum of those exhibited by their components. 



545. THE PROPERTIES OF TISSUES DEPEND upon 

 their own nature ; and the only reason to be given why 

 it is so, is, that it has been so ordained. 



546. Him. THE REASON WHY MUSCULAR TISSUE 

 CONTRACTS is, that it is its nature to contract, and carti- 

 lage or gristle is elastic because it is its nature to be so, 

 and not because any of its components alone have any 

 measure of it, for they do not. 



547. THE COMPONENTS OF TISSUES CANNOT THERE- 

 FORE BE INDICATED by their properties, but must be 



541. What has been? 542. What ? 643. Why ? 544. What ? 

 545. On what ? 546. What is ? 547. What said since ? 



