Questions and Answers
What is the term for the angle found at the junction of the manubrium and the body of the sternum?
What is the upper section of the sternum called?
Manubrium
What is the name of the notch located between the two clavicular notches of the sternum?
Jugular notch
What is the name of the notch where the clavicles articulate with the sternum?
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What is the main body section of the sternum known as?
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What is the pointed structure at the inferior end of the sternum called?
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Study Notes
Sternum Anatomy
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Sternal Angle:
- Junction between the manubrium and the body of the sternum.
- Signifies the level of the second rib, crucial for rib counting and thoracic assessments.
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Manubrium:
- The uppermost part of the sternum.
- Articulates with the clavicles and first ribs, forming the thoracic skeleton.
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Jugular Notch:
- A dip located at the superior border of the manubrium.
- Easily palpable, serves as a landmark for medical examinations.
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Clavicular Notch:
- Located on either side of the manubrium.
- Receives the clavicles, forming the sternoclavicular joint important for shoulder mobility.
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Body:
- The central portion of the sternum.
- Provides structural support and articulates with multiple ribs via costal cartilages.
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Xiphoid Process:
- The small, cartilaginous extension at the inferior end of the sternum.
- Important for the attachment of muscles and signifies the end of the sternum, often ossifies with age.
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Description
Test your knowledge on the anatomy of the sternum with this labeling quiz. Each question focuses on a specific part of the sternum, helping you to identify and understand its components better. Perfect for students studying human anatomy or physiology.
