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SECT. XXXIII. 



OF THE FAT. 



t 



481. Of most of the secreted fluids, a concise and 

 connected view of which was given in the last section, 

 distinct mention has been made in its proper place: 

 the rest will be described as opportunity may permit. 

 Two remain, which cannot be discussed in a more 

 proper place than the present, — at the close of our in- 

 quiry into the natural functions. The one — the fat, is 

 a part of the system (4) ; the other — the urine, is excre- 

 mentitious. We will examine each separately. 



482. The fat * is an oily fluid, very similar in its 

 general character to vegetable oils,f bland, inodorous, 

 lighter than water; containing, besides the two ele- 

 ments common to water, to the oils just mentioned, and 

 to wax, viz. carbon and hydrogen, sebacic acid, % which 

 is pretty similar to the acetic. 



483. When secreted from the blood and deposited in 

 the mucous tela, it exists in the form of drops, divided 



* W. Xav. Janscn, Pinguedinis Animalis Considrratio Physiologica et Pa- 

 thologica. Lugd. Bat. 1784. 8vo. 



t J. D. Brandis, Comm. (rewarded with the Royal Prize) de oleor. ungui- 

 nosor. natura. Getting. 1785. 4to. p. 13. 



X Joach. J. Rhades, De ferro sangttini* hum. aliisque liauidis animalium. 

 ibid. 1753. 4to. ch. 4. 



Dav. H. Knapc (Preside Segnero) De acido pinguedinis animalis. ibid. 

 1754. It... 



Laur. Crell, t'hemisvhes Journal. 1778. P. i. p. 102. 



