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General form (Females)
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PIMA BIO130
CHP8 Skeletal; Comparison of Male and Female Skeletons
| Question | Answer |
|---|---|
| General form (Males) | Bones heavier and thicker/ Muscle attachment sites more massive/ Joint surfaces relatively large |
| General form (Females) | Bones lighter and thinner/ Muscle attachment sites less distinct/ Joint surface relatively small |
| Skull (Male) | Forehead shorter vertically/ Mandible and maxillae relatively larger/ Facial area more pronounced/ Processes more prominent |
| Skull (Female) | Forehead more elongated vertically/ Mandible and maxillae relatively smaller/ Facial area rounder, with less pronounced features/ Processes less pronounced |
| Pelvic Cavity (Males) | Narrower in all dimensions/ Deeper/ Pelvic outlet relatively small |
| Pelvic Cavity (Females) | Wider in all dimensions/ Shorter and roomier/ Pelvic outlet relatively large |
| Sacrum (Males) | Long, narrow, with a smooth concavity (sacral curvature); sacral promontory more pronounced |
| Sacrum (Females) | Short, wide, flat concavity more pronounced in a posterior direction; sacral promontory less pronounced |
| Coccyx (Males) | Less movable |
| Coccyx (Females) | More movable and follows the posterior direction of the sacral curvature |
| Pubic arch (Males) | 60-90 degree angle |
| Pubic arch (Female) | 90-120 degree angle |
| Pubic symphysis (Male) | Relatively deep |
| Pubic symphysis (Female) | Relatively shallow |
| Ischial spine, ischial tuberosity, and anterior superior iliac spine (Males) | Turned more inward |
| Ischial spine, ischial tuberosity, and anterior superior iliac spine (Females) | Turned more outward and further apart |
| Greater sciatic notch (Male) | Narrow |
| Greater sciatic notch (Females) | Wide |
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Jgiron6994
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