HSS 2342 Chapter 13: Chapter 13 Nutrients for bone health note 13

• School: University of Ottawa
• Department: Health Sciences
• Course: HSS 2342
• Professor: Keir J Menzies

Document Summary

65% mineral crystals for strength/structural support & 35% of the minerals onto a collagen matrix that gives flexibility bone mineral density = bone strength. Bones have 2 compartments: outer/hard shell of cortical bone & inner/lacy matrix of trabecular bone both lose minerals, but they do so differently. Cortical bone: very dense bone part of outer walls of larger bones & main tissue of small bones. Will not get the fast hormone response. **cortical bones not just provide strength -growth of the different types of blood cells as well as immune cells. It composes the shafts of long bones & thin cortical shell cap on the end of bones. Trabecular bone: lacy architecture that acts like scaffolding supporting the lines of stress will get rapid response to hormones. Bones are genetically programmed to grow in length -conception to teen years. The peak of the bone growth ends around 17yrs old for boys and 14yrs old for girls.