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Human Skull Blunt Force Trauma, Eye Orbit BCM-805 This is the cranium of a modern human female with perimortem facial fractures caused by a blunt instrument. One impact point is on the left supraorbital margin. A fracture proceeds superiorly and another fracture branches off and arcs across the anterior portion of the frontal to just above the right supraorbital margin. Another fracture extends laterally from the point of impact along the supraorbital margin and stops at the sphenoid suture. A third fracture extends posteriorly through the orbital roof then curves medially to end at the ethmoid suture. The orbital portion of the frontal bone is levered over the lateral plate of the ethmoid. In addition, the left greater wing of the sphenoid was pushed under the left temporal, creating a break in both the sphenoid and the adjacent temporal bone. In other words, the person was struck on the left eyebrow with enough force to break the eye orbit at the point of impact, crack the forehead, and shatter the bridge of the nose. A secondary blow above the left external auditory meatus contributes to the temporal fracture pattern. The fractures could have resulted from a variety of mechanisms, e.g., a forceful blow from an instrument such as baseball bat or an impact with a steering wheel in a vehicular accident. A custom metal display stand is available separately below. For an analysis report (PDF format), a copy of which will be sent with the purchase of this specimen, go to BCM-805-Report. Should you have questions or comments regarding the report, please contact us at reports@boneclones.com.
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