On the theory of inflammation / [John James Drysdale].

  • Drysdale, J. J. (John James), 1817-1892.
Date:
1838
Catalogue details

Licence: Public Domain Mark

Credit: On the theory of inflammation / [John James Drysdale]. Source: Wellcome Collection.

    17/80 (page 9)
    stimuli. Besides, the distinction into active and passive, is altogether imaginary with respect to the part (Kaltenbrunner), and depends on the presence or absence of constitutional symptoms. We may therefore conclude, that retardation always occurs in that degree of dilatation to which the term in¬ flammation is generally applied, although it can¬ not be included in a theoretical definition. Kalten- brunner (.Repert. generate, vol. iv. p. 218), restricts the term inflammation to that degree of dilatation which is accompanied with Stases, while a minor degree, ho calls congestion. 3d Stage, Reaction.—After some time, the capil¬ laries recover their irritability and begin to con¬ tract. The blood now begins to move more rapidly, and in proportion as the diameter of the capilla¬ ries is lessened, the circulation is accelerated, till the vessels arrive at their normal state of contrac¬ tion, and the part presents its natural appearance. This return of the vessels from a state of diminished irritation or action, to the state of natural irrita¬ tion, is accompanied by a secretion of serous, san- guinolent, or other matters, which differ according to the character of the inflammation. These secretions have been particularly described by Kaltenbrunner, who calls them crises : he repre-