Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 43, Problem 3ITD
Summary Introduction
To review:
The rate of fractures in the two groups of children having osteogenesis imperfecta (OI).
Introduction:
Osteogenesis is a genetic disorder found in newborn babies also. The children suffering from OI are prone to bone damage. The child may be prone to bone fractures ranging from four to five to hundreds of fractures per year based on the level of intensity of the disease. This disease can respond to certain drug treatments and the damage of the bones can be slowed down causing a reduced number of fractures per year.
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In this type of ossification mesenchymal cells in the embryonic skeleton gather together and begin to differentiate into specialized cells that form a template of the future bone. Ossification of flat bones begins as mesenchymal cells form a template of the future bone. They then differentiate into osteoblasts at the ossification center. Osteoblasts secrete the extracellular matrix and deposit calcium, which hardens the matrix. The non-mineralized portion of the bone or osteoid continues to form around blood vessels, forming spongy bone. Connective tissue in the matrix differentiates into red bone marrow in the fetus. The spongy bone is remodeled into a thin layer of compact bone on the surface of the spongy bone. The process depicted in the description above and on this slide is (check all that apply):
In this type of ossification mesenchymal cells in the embryonic skeleton gather together and begin to differentiate into specialized cells that form a template of the future bone. Ossification of flat bones begins as mesenchymal cells form a template of the future bone. They then differentiate into osteoblasts at the ossification center. Osteoblasts secrete the extracellular matrix and deposit calcium, which hardens the matrix. The non-mineralized portion of the bone or osteoid continues to form around blood vessels, forming spongy bone. Connective tissue in the matrix differentiates into red bone marrow in the fetus. The spongy bone is remodeled into a thin layer of compact bone on the surface of the spongy bone. The process depicted in the description above and on this slide is (check all that apply):
intermembranous ossification
endomembrane ossification
intramembranous ossification
red bone marrow formation
Bisphosphonates are a class of medications that treat osteoporosis by slowing the breakdown of bone. What type of cells do bisphosphonates target? A. Osteoclasts B. Mesenchymal stem cells C. Osteocytes D. Osteoblasts
Chapter 43 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 43.1 - Prob. 1SBCh. 43.1 - Prob. 2SBCh. 43.1 - Prob. 3SBCh. 43.2 - Prob. 1SBCh. 43.2 - Prob. 2SBCh. 43.3 - Prob. 1SBCh. 43.3 - Prob. 2SBCh. 43 - Prob. 1TYKCh. 43 - Prob. 2TYKCh. 43 - Prob. 3TYK
Ch. 43 - Prob. 4TYKCh. 43 - Prob. 5TYKCh. 43 - Prob. 6TYKCh. 43 - Which of the following is not an example of a...Ch. 43 - Endoskeletons: a. protect internal organs and...Ch. 43 - Prob. 9TYKCh. 43 - Prob. 10TYKCh. 43 - Prob. 11TYKCh. 43 - Prob. 12TYKCh. 43 - Prob. 13TYKCh. 43 - Prob. 14TYKCh. 43 - Prob. 15TYKCh. 43 - Prob. 1ITDCh. 43 - Prob. 2ITDCh. 43 - Prob. 3ITDCh. 43 - Prob. 4ITD
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