18 GENERAL OBSERVATIONS. 



Ji. In the nutritive parenchyma just mentioned. 



Q. What is the first aspect of fetal formation? 



.ft. It is a mass of the generative tissues, in which each 

 organ has its nutritive parenchyma in form ; and in which 

 parenchyma the nutritive matter is gradually deposited, 

 giving specific character to each texture and organ. 



Q. How is organization enlarged? 



/#. First, by an extension of nutritive parenchyma, and 

 then by a deposition of nutritive matter. 



Q. In what does the elective power of an organ on the 

 blood consist? 



#. In the peculiar organic sensibility by which it 

 chooses or rejects appropriate principles of growth in the 

 blood. 



Q. On what does the theory of secretion exist? 



ft. On the power of the peculiar vital forces, and sen- 

 sibilities of textures, which select from the blood that 

 which comports with these forces. 



Q. Why does the body grow for a certain period? 



#. It depends on the ultimate fact that composition ex- 

 ceeds decomposition. 



Q. What is Bichat's theory of secretion? 



#. That the parenchyma of nutrition is uniform, that 

 the nutritive, matter is various, and that the parenchyma 

 of nutrition exercises an eclectic power over the blood, 

 selecting materials for the various nutritive substances. 



Q. What do you mean by the life of a part? 



#. The properties of the texture which compose the 

 part. 



Q. What do you understand by disease of an organ? 



#. Aberration from the normal condition of the vital 

 forces of one of the textures of an organ. 



