Bones undergo growth when they grow wider. endochondral ossificational appositional interstitial

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Question 7**

Bones undergo _____ growth when they grow wider.

- endochondral
- ossificational
- appositional
- interstitial

**Explanation:**

This question tests the understanding of bone growth mechanisms. The correct term for growth in bone width is “appositional growth.” 

**Detailed Explanation of Options:**

1. **Endochondral**: Refers to bone growth in length, typically within the cartilage.
2. **Ossificational**: This term is not commonly used in standard anatomical literature in relation to bone growth.
3. **Appositional**: This type of growth involves the addition of new layers on the surface, leading to an increase in bone diameter.
4. **Interstitial**: Pertains to growth that occurs from within, mainly referring to the growth of cartilage and bone in length.
Transcribed Image Text:**Question 7** Bones undergo _____ growth when they grow wider. - endochondral - ossificational - appositional - interstitial **Explanation:** This question tests the understanding of bone growth mechanisms. The correct term for growth in bone width is “appositional growth.” **Detailed Explanation of Options:** 1. **Endochondral**: Refers to bone growth in length, typically within the cartilage. 2. **Ossificational**: This term is not commonly used in standard anatomical literature in relation to bone growth. 3. **Appositional**: This type of growth involves the addition of new layers on the surface, leading to an increase in bone diameter. 4. **Interstitial**: Pertains to growth that occurs from within, mainly referring to the growth of cartilage and bone in length.
**Question 11:**

*How would removing the organic component of the bone matrix, the collagen fibers, affect the physical properties of a bone?*

- The bone would be more brittle
- The bone will become stronger
- The bone would be more able to withstand twisting
- The bone would be more flexible

This question explores the role of collagen fibers, an integral organic component in the bone matrix, in contributing to the bone's physical properties.
Transcribed Image Text:**Question 11:** *How would removing the organic component of the bone matrix, the collagen fibers, affect the physical properties of a bone?* - The bone would be more brittle - The bone will become stronger - The bone would be more able to withstand twisting - The bone would be more flexible This question explores the role of collagen fibers, an integral organic component in the bone matrix, in contributing to the bone's physical properties.
Expert Solution
Step 1

Growth of bone starts in the fetus before birth and continues till the adulthood. Formation of bone occurs by the processes known as osteogenesis and ossification, and the cells responsible for the growth of bone are known as osteoblasts. 

 

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