A critical and experimental essay on the circulation of the blood; especially as observed in the minute and capillary vessels of the Batrachia and of fishes / [Marshall Hall].

  • Hall, Marshall, 1790-1857
Date:
[1844]
Catalogue details

Licence: Public Domain Mark

Credit: A critical and experimental essay on the circulation of the blood; especially as observed in the minute and capillary vessels of the Batrachia and of fishes / [Marshall Hall]. Source: Wellcome Collection.

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    the wheel of his heavy waggon passed over the abdomen. The beat of the heart was so enfeebled, that the pulse could scarcely be felt. No reaction took place. The effect was perfectly similar to that of crushing a portion of the brain and spinal mairow. On examination, the ileum was found lacerated in two places. A man had his arm drawn m, and violently crushed and torn off, by some machinery. The action of the heart failed and never rallied. Every one will remember the melancholy ac- cident which occurred to the late Mr. Huskisson. The tremendous vehicle passed over the thigh. The action of the heart railed, and the surgeon waited for reaction,—for an opportunity for am- putation,—in vain ! These facts are familiar to all. They prove that there is nothing peculiar to the individual organ crushed, in its effects upon the heart, the circulation, and the general system; and therefore that no physiological deduction, in regard to the nature and office of any particular organ, can be drawn from an experiment of this kind. The only point really established is that well-known, yet wondrous, connection in the animal frame,