Textbook Question
Explain the effect that the following hormones have on the growth of bone tissue:
a. Growth hormone
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6. Bones & Skeletal Tissue
An Introduction to Bone and Skeletal Tissue
Problem 15b
Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
b. Bone deposition is triggered by tension placed on the bone.
Verified step by step guidance1
Step 1: Understand the concept of bone deposition. Bone deposition is the process by which osteoblasts lay down new bone material, primarily in response to mechanical stress or tension placed on the bone.
Step 2: Recall the physiological mechanism behind bone remodeling. When mechanical stress or tension is applied to a bone, it stimulates osteoblast activity, leading to bone deposition. This is part of Wolff's Law, which states that bones adapt to the loads they are subjected to.
Step 3: Evaluate the statement provided. The statement 'Bone deposition is triggered by tension placed on the bone' aligns with the physiological process described above.
Step 4: Determine whether the statement is true or false. Based on the explanation, the statement is true because tension or mechanical stress does indeed trigger bone deposition.
Step 5: If the statement were false, correct it. For example, if the statement incorrectly claimed that bone deposition is triggered by lack of tension, the correction would be: 'Bone deposition is triggered by tension placed on the bone, not by lack of tension.'
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Bone Deposition
Bone deposition is the process by which new bone tissue is formed. This occurs through the activity of osteoblasts, which are specialized cells that synthesize and secrete the bone matrix. Understanding this process is crucial for recognizing how bones grow and repair themselves in response to various stimuli.
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Wolff's Law
Wolff's Law states that bone in a healthy person or animal will adapt to the loads under which it is placed. This means that if loading on a particular bone increases, the bone will remodel over time to become stronger to resist that sort of loading. This principle is essential for understanding how mechanical stress influences bone deposition.
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Tension and Compression in Bones
Tension and compression are two types of mechanical forces that affect bone structure. Tension refers to the pulling force, while compression refers to the pushing force. When tension is applied to a bone, it can stimulate bone deposition, leading to increased strength and density, which is a key aspect of bone health and adaptation.
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