Principles of Human Anatomy and Physiology Chapter 11

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What does a bone scan help to identify?

Areas of increased metabolic activity

What is the function of the epiphyseal plate in bone growth?

To enable bone to increase in length

What happens to the cartilage cells on the diaphyseal side of the epiphyseal plate?

They are destroyed and replaced by bone

What is the term for the appearance of a bone that has completed its growth in length?

<p>Epiphyseal line</p> Signup and view all the answers

During what age range do epiphyseal plates typically close?

<p>18 to 25 years</p> Signup and view all the answers

What is the term for areas of decreased metabolic activity in a bone scan?

<p>Cold spots</p> Signup and view all the answers

What happens to cartilage cells at the epiphyseal line?

<p>They stop dividing and bone replaces the cartilage</p> Signup and view all the answers

What is the main function of osteoclasts in bone remodeling?

<p>To destroy old bone tissue</p> Signup and view all the answers

What type of growth is responsible for bone growth in thickness?

<p>Appositional growth</p> Signup and view all the answers

What is the role of estrogen in bone growth?

<p>It is responsible for closure of the growth plate</p> Signup and view all the answers

What is the result of oversecretion of hGH during childhood?

<p>Giantism</p> Signup and view all the answers

What is the process of bone growth in width?

<p>Appositional growth</p> Signup and view all the answers

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