The American journal of the medical sciences (1827)
[Thorofare, N.J., etc.] Charles B. Slack [etc.] · leaf 456
ard and inward, and a longitudinal fracture through the roof of the canal, if continued in the same direction, w^ould rupture the membrane of Schrap- nell, traverse the anterior portion of the tympanic cavity, and, avoiding the delicate structures of the middle ear, terminate somewhere in the angle… … The probable route of the fracture terminating in the carotid canal at the margin of the foramen lacerum medium. The dotted circle shows the seat of the trephine hole. Experiments on the cadaver to show what kind of violence probably caused the lesion of our patient demonstrated that such fractures…
Medicine
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