A practical essay on typhous fever / By Nathan Smith.

  • Nathan Smith
Date:
1824
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Licence: Public Domain Mark

Credit: A practical essay on typhous fever / By Nathan Smith. Source: Wellcome Collection.

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    considered as living canals, intended to con- vey the blood from the heart to the system of capillaries. ‘Here all the functions belonging to this system are performed, such as nutri- tion, reparation of the body, absorption, se- cretion and the production of animal heat. » Of course, the functions of the heart and great arteries must be considered wholly subservi- ent to those of the capillaries, which in re- ality, perform all the great and essential offi- ces of the circulating system. _ As this fever is supposed to make con- — siderable change in the action of the circu- lating system; the question presents itself, what part is first affected ? does the increased action of the heart and great arteries, cause the increased action in the capillaries, or vice versa? | In cases of local inflammation, which pro- Capillary ves- sels first af- _ duce symptomatic fever, it appears very evi- fected in Ty- hus. dent that the capillaries are first affected; the action of the heart and great arteries is not changed till symptomatic fever is produ- ced; and that this symptomatic fever, seems to commence in the capillaries, is evinced
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