Plate 11.
Rifle—Plate 11.
UPPER EXTREMITY.
Gunshot Fracture of the Humerus.
Wound of entrance, anterior internal aspect of middle and upper third of arm.
Wound of exit, opposite.
The missile has struck the side of the bone and pursued a course through the shaft, so that a transverse fracture, as well as the separation of several medium-sized fragments, resulted from the splitting effect of the missile.
A larger missile, i. e., a shrapnel ball, with the same striking energy could have been stopped by the bone, but a wider distribution of the same energy carried by a larger cross section would have produced larger fragments.