. Atlas and epitome of traumatic . Fig. 23.—A B represents the segment of a skull, a b showing thepoints of impact of an external force. The first effect of the force isto produce a certain flattening of the skull, as at Af B/ ; at the sametime the point of impact at a b is compressed and the correspondingportions of the internal table are stretched, the particles of bone beingpulled apart to the point of bursting. This is readily understood bycomparing the quadrilateral abed in the two figures. (After Teevan.) greater dislocation of its fragments than the outer phenomenon was forme
. Atlas and epitome of traumatic . Fig. 23.—A B represents the segment of a skull, a b showing thepoints of impact of an external force. The first effect of the force isto produce a certain flattening of the skull, as at Af B/ ; at the sametime the point of impact at a b is compressed and the correspondingportions of the internal table are stretched, the particles of bone beingpulled apart to the point of bursting. This is readily understood bycomparing the quadrilateral abed in the two figures. (After Teevan.) greater dislocation of its fragments than the outer phenomenon was formerly explained by assuming agreater brittleness for the inner table, which was accord-ingly named tabula vitrea. In recent times it has beenfound that the phenomenon depends on certain simplemechanical laws, and that in any injury of the vault thattable which is furthest removed from the injuring forcesuffers the most extensive fracture. A glance at the illus-tration on Plate 9 suffices to show the important fact thatan injury of
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Keywords: ., bookcentury1900, bookdecade1900, bookidatlasepitome, bookyear1902
