LECTURE VI. 249 



particle was deposited by an appropriate ves- 

 sel, he was induced to add that every part 

 of the body may in this sense be said to be 

 equally vascular; what is meant by increased 

 vascularity depending upon the greater size 

 or number of the vessels, which transmit the 

 blood, allowing them to be more distended 

 with red blood, or our coloured injections. 

 Further, he observes that an increase of ap- 

 parent vascularity may be the result of ves- 

 sels passing through parts to terminate 

 elsewhere. 



Now, though Mr. Hunter attributed so 

 much to the agency of vessels, he believed 

 that life, in various instances, formed these 

 active tubes. His opinions might indeed 

 be biassed by what he had observed in the 

 cicatricula of the egg, but he thought 

 that vessels might be formed in effused 

 gelatinous matter, as he says they are in 

 the areola of the egg, called cicatricula. 

 In speaking of the latter subject, he says, 

 " The arteries are the very first active parts 

 of the system. We find them in action 

 before they are connected to the heart, 



