4 Police officers have found human skeletal remains, including a pelvis, and the

Question

4 Police officers have found human skeletal remains, including a pelvis, and they ask your help in determining the individual's sex Which features will you examine to help you make this determination? Many people mistakenly believe that the pelvis is fractured when one has a broken hip. What is actually fractured in a broken hip? Examine this structure, and compare it to the bones of the pevis. Why do you think it is more likely to fracture than the pehvis? 5 6 You are presented the following X-ray from a six-year-old child (Figure 7.41). a Identily the bones in the X-ray. b Your colleague thinks that there may be a fracture present at the arrow in Figure 7.41. What do you think? Is this a fracture or a normal anatomical feature? Explain. FIGURE 7.41 X-ray from six-year-old child. 184 Exploring Anatomy in the Laboratory

Explanation / Answer

4. One of the major difference between male and female skeleton is that of pelvis. In females, pelvis is more rounded and broad and pelvic bones are shorter. In males pelvic bones are longer. Moreover, jaw bone is generally larger and prounounced. Male bones are generally longer and thicker.

5.In a broken hip, there is the fracture in the upper region of femur bone or thigh bone or socket of pelvic bone.

Femur bone is more likely to be fractured because of its long size. In contrast pelvic bones are fused tightly together to form a bowl like strructure called pelvis.

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