GENERAL OBSERVATIONS. 17 



v. 



Q. How are these organized systems divisible ? 



#. Into those every where present as a base for all, 

 and this Bichat calls the generative; and secondly, into the 

 insulated. 



Q. Give examples of the generative tissues. 



*#. The cellular, arterial, venous, exhalent, absorbent, 

 nervous. 



Q. What are the insulated textures? 



.#. Such as the osseous, cartilaginous, fibrous, mucous, 

 serous, &c. 



Q. Is this distinction absolute? 



A. It is not; but so far true as to be physiologically 

 important. 



Q. Which textures exist most generally? 



.#. The absorbent and exhalent. 



Q. Why is this the case? 



#. Because nutrition depends on them. 



Q. Which texture is next in extent? 



A. The cellular. 



Q. What tissues are first developed? 



#. The generative or general. 



Q. What do you mean by the nutritive parenchyma of 

 an organ? 



Ji. The cellular, vascular, and nervous outline of the 

 organ. 



Q. What is the nutritive matter of an organ? 



#. That which establishes a difference between the 

 organs. 



Q. Give examples of this nutritive matter? 



A. The phosphate of lime and the gelatine of bones is 

 one instance; the fibrin in the muscles is another. 



Q. Where is this nutritive matter deposited? 



3 



