Z331 Fall 2010 Week 4 Lecture 4 Bone Homeostasis Posted

Z331 Fall 2010 Week 4 Lecture 4 Bone Homeostasis Posted -...

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Week 4: Lecture 4: Chapter  6 –   The Skeletal System:  Bone Tissue: Bone  Homeostasis
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Blood Vessels, Lymph and Nerves Bone is richly supplied with  lymphatic vessels Figure 6–12, 193 Tortora, 10 th  ed., fig.  6-5
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Remodeling The adult  skeleton: maintains itself replaces  mineral  reserves  Remodeling: recycles and  renews bone  matrix  involves  osteocytes,  osteoblasts,  and  osteoclasts   http://www.home pages.ucl.ac.uk/~ ucgaabr/hometext .html Figure 6–8
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Control of Remodeling: Effects of Exercise on Bone Mineral recycling allows bones to  adapt to stress Heavily stressed bones become  thicker and stronger Fig.  6–7,  187 Thibodeau, 6 th  ed., fig. 7-4 Marieb, 7 th  ed., fig. 6-12
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Bones are adaptable – their shapes reflect  the forces that are applied to them http://health.allrefer.com/pictures-images/bone-building- exercise.html
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Endocrine System Uses chemical messengers (hormones) to  change activities of target cells Fast acting Short- lived Slow acting Long- lived Shier, 10 th  ed., fig.  13-2
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This note was uploaded on 02/15/2011 for the course ZOOLOGY 331 taught by Professor Amyharwell during the Fall '10 term at Oregon State.

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Z331 Fall 2010 Week 4 Lecture 4 Bone Homeostasis Posted -...

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