Podcast
Questions and Answers
What is the term for the upper part of the sternum?
What is the term for the upper part of the sternum?
- Sternal angle
- Manubrium (correct)
- Xiphoid process
- Sternal body
What is the sternal angle?
What is the sternal angle?
The angle formed by the junction of the manubrium and the body of the sternum.
Which part of the sternum is referred to as the xiphoid process?
Which part of the sternum is referred to as the xiphoid process?
- Top part
- Middle part
- Bottom part (correct)
- None of the above
What is the function of the clavicular notch?
What is the function of the clavicular notch?
What are true ribs?
What are true ribs?
What are false ribs?
What are false ribs?
What characterizes vertebrochondral ribs?
What characterizes vertebrochondral ribs?
What are floating ribs?
What are floating ribs?
What is the costal cartilage?
What is the costal cartilage?
What is the term for the shoulder blade?
What is the term for the shoulder blade?
Flashcards
Manubrium
Manubrium
The uppermost part of the sternum, connecting with the clavicle and the first rib pair.
Sternal Angle
Sternal Angle
The junction between the manubrium and the sternal body, serving as a crucial anatomical landmark.
Sternal Body
Sternal Body
The central area of the sternum, articulating with ribs 2-7.
Jugular Notch
Jugular Notch
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Clavicular Notch
Clavicular Notch
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Xiphoid Process
Xiphoid Process
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Xiphisternal Joint
Xiphisternal Joint
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True Ribs
True Ribs
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False Ribs
False Ribs
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Costal Cartilage
Costal Cartilage
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Study Notes
Rib Cage Anatomy
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Manubrium: The superior part of the sternum, articulates with the clavicles and the first pair of ribs.
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Sternal Angle: The junction between the manubrium and the sternal body, important anatomical landmark; corresponds to the second rib.
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Sternal Body: The central portion of the sternum; articulates with ribs 2-7.
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Jugular Notch: A visible dip in the top of the manubrium; easily palpable and signifies the boundary between the neck and chest.
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Clavicular Notch: On the manubrium, where the clavicle articulates; provides support for shoulder attachment.
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Xiphoid Process: The small, bony structure at the bottom of the sternum; varies in shape and size, often serves as a landmark for CPR.
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Xiphisternal Joint: The fusion point between the xiphoid process and the sternal body; commonly used as a reference point in anatomy.
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Clavical: Also known as the collarbone; connects the arm to the body and aids in stabilizing the shoulder.
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True Ribs: Ribs 1-7 that attach directly to the sternum through their own costal cartilage, providing a rigid structure to the thoracic skeleton.
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False Ribs: Ribs 8-12 that do not attach directly to the sternum; rely on indirect connections via the costal cartilage of rib 7.
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Vertebrochondral Ribs: Another name for false ribs (8-10), featuring indirect connections to the sternum for flexibility.
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Floating Ribs: Ribs 11-12 that do not connect to the sternum or any other ribs; provide additional mobility to the rib cage.
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Scapula: Also known as the shoulder blade; a flat bone that connects the humerus to the clavicle.
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Costal Cartilage: Connective tissue that links ribs to the sternum; allows for flexibility and expansion during respiration.
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Humerus: The long bone of the upper arm; connects the shoulder to the elbow.
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Structure of a Typical Rib: Composed of a head, neck, tubercle, and shaft; varies in curvature and length depending on its position in the cage.
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