Anatomy of the Sternum
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Questions and Answers

What is located at the lower end of the lateral border?

  • A facet for articulation with the upper half of the posterior end of the third costal cartilage
  • A facet for articulation with the lower half of the anterior end of the second costal cartilage
  • A demifacet for articulation with the upper half of the posterior end of the second costal cartilage
  • A demifacet for articulation with the upper half of the anterior end of the second costal cartilage (correct)

Which end of the second costal cartilage articulates with the demifacet?

  • The medial end
  • The posterior end
  • The anterior end (correct)
  • The lateral end

What percentage of the second costal cartilage articulates with the demifacet?

  • The upper three-quarters
  • The entire cartilage
  • The upper half (correct)
  • The upper quarter

Where is the demifacet located in relation to the second costal cartilage?

<p>At the lower end of the lateral border (D)</p> Signup and view all the answers

What is the function of the demifacet at the lower end of the lateral border?

<p>To articulate with the upper half of the anterior end of the second costal cartilage (B)</p> Signup and view all the answers

Where is the demifacet for articulation located?

<p>At the inferior end of the body of the sternum (B)</p> Signup and view all the answers

With which costal cartilage does the demifacet articulate?

<p>Seventh costal cartilage (A)</p> Signup and view all the answers

What type of facet is located at the inferior end of the body of the sternum?

<p>Demifacet (C)</p> Signup and view all the answers

What is the function of the demifacet on the sternum?

<p>To form a joint with a costal cartilage (C)</p> Signup and view all the answers

What is the term for the bony structure that the demifacet is located on?

<p>Sternum (C)</p> Signup and view all the answers

What is the xiphoid process attached to?

<p>The inferior end of the body of the sternum (B)</p> Signup and view all the answers

What is the xiphoid process?

<p>The smallest part of the sternum (D)</p> Signup and view all the answers

What is the function of the xiphoid process?

<p>To serve as an attachment point for muscles (B)</p> Signup and view all the answers

Where is the xiphoid process located?

<p>At the inferior end of the sternum (A)</p> Signup and view all the answers

What is the relationship between the xiphoid process and the body of the sternum?

<p>The xiphoid process is attached to the body of the sternum (A)</p> Signup and view all the answers

What is the name of the part of the sternum that forms part of the bony framework of the neck and the thorax?

<p>Manubrium (A)</p> Signup and view all the answers

What is the function of the manubrium of the sternum?

<p>To form part of the bony framework of the neck and the thorax (C)</p> Signup and view all the answers

Where is the manubrium of the sternum located?

<p>In the neck and the thorax (D)</p> Signup and view all the answers

What is located on each side of the upper lateral margin?

<p>A demifacet for articulation with the inferior end of the seventh costal cartilage (B)</p> Signup and view all the answers

What type of framework does the manubrium of the sternum form part of?

<p>Bony framework (A)</p> Signup and view all the answers

What is the manubrium of the sternum a part of?

<p>Sternum (D)</p> Signup and view all the answers

With which part of the seventh costal cartilage does the demifacet articulate?

<p>The inferior end (A)</p> Signup and view all the answers

Where is the demifacet located in relation to the lateral margin?

<p>On the upper end (A)</p> Signup and view all the answers

What is the purpose of the demifacet on the upper lateral margin?

<p>To articulate with the seventh costal cartilage (A)</p> Signup and view all the answers

How many demifacets are located on each side of the upper lateral margin?

<p>One (D)</p> Signup and view all the answers

Study Notes

Sternum

  • The manubrium of the sternum is part of the bony framework of the neck and thorax.

Articulation with Costal Cartilages

  • The lower end of the lateral border of the manubrium has a demifacet for articulation with the upper half of the anterior end of the second costal cartilage.
  • The inferior end of the body of the sternum has a demifacet for articulation with the upper demifacet on the seventh costal cartilage.

Xiphoid Process

  • The xiphoid process is the smallest part of the sternum.
  • Each side of its upper lateral margin has a demifacet for articulation with the inferior end of the seventh costal cartilage.

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Description

Learn about the manubrium of the sternum and its role in the bony framework of the neck and thorax.

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