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← Human Body & HealthWhy does long-term immobilization accelerate osteoporosis more in trabecular bone rather than cortical bone?
A)Trabeculae lack osteocyte networks
B)Trabeculae exhibit greater surface area✓
C)Cortical bone has higher initial density
D)Cortical bone resists piezoelectric stimulation
💡 Explanation
Trabecular bone undergoes more rapid remodeling than cortical bone because it possesses a significantly higher surface area exposed to osteoblast and osteoclast activity. Therefore, disuse-induced bone resorption is more pronounced in trabecular bone, rather than cortical bone which remodels slower due to its lower surface area.
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