... molecules help regulate bone formation activity and may be important for preventing disuse osteoporosis in bears. Sympathetic tone also has potent effects on bone metabolism and may contribute to the regulation of bone remodeling in bears. During hibernation,resting heart rate drops to approximately one...

... metacarpal bone remodeling Lanyon et al. ( 1979 )hypothesized that a possible objective for regional variations in material organization between cortical locations of a limb bone diaphysis may be the maintenance of uniform stresses throughout a bone's cross-section. Examining mature ovine radii...