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Ch. 6 Bones and Bone Tissue
Amerman- Human Anatomy & Physiology 3e
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoAmerman 3rd EditionCh. 6 Bones and Bone TissueProblema 15b
Capitolo 6, Problema 15b

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.

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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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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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Second Law of Thermodynamics

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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Pratica correlata
Domanda del libro di testo

Bone deposition is carried out by_____, which secrete the____ of the ECM by exocytosis. They facilitate the formation of the______of the ECM by secreting_____filled with calcium ions, enzymes, and ATP. Bone resorption is carried out by______ , which secrete_____and_____from their ruffled border.

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Explain the effect that the following hormones have on the growth of bone tissue:

c. Estrogen

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Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

c. The greater the load the bone must carry, the more bone that is resorbed by osteoclasts.

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Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

d. Calcitonin is released in response to an elevated calcium ion concentration in the blood.

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Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

a. Bone resorption is triggered by pressure placed on the bone.

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Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

e. Parathyroid hormone increases the blood calcium ion concentration by increasing the activity of osteoblasts.

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