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Questions and Answers
What is the shape of the clavicle bone?
What is the shape of the clavicle bone?
At what stage of development does the clavicle begin to ossify?
At what stage of development does the clavicle begin to ossify?
What is the primary function of the clavicle?
What is the primary function of the clavicle?
Which of the following muscles does not attach to the clavicle?
Which of the following muscles does not attach to the clavicle?
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What is the purpose of the clavicle in transmitting forces?
What is the purpose of the clavicle in transmitting forces?
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How many primary centers of ossification does the clavicle have?
How many primary centers of ossification does the clavicle have?
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Study Notes
Clavicle Structure
Overview
The clavicle, also known as the collarbone, is a long bone located between the shoulder blade (scapula) and the breastbone (sternum).
Shape and Curvature
- The clavicle is a curved, S-shaped bone that forms the anterior (front) part of the shoulder girdle.
- It has a double curve, with the lateral (outer) end being more curved than the medial (inner) end.
Ossification
- The clavicle is the first bone to ossify (harden) in the fetus, around 5-6 weeks after conception.
- It ossifies from two primary centers, one medial and one lateral, which fuse together during childhood.
Function
- The clavicle serves as a strut between the scapula and sternum, providing a attachment site for muscles and ligaments.
- It helps to transmit forces from the upper limb to the axial skeleton.
Attachments
- The clavicle has several important attachments, including:
- Ligaments: coracoclavicular, costoclavicular, and sternoclavicular
- Muscles: deltoid, pectoralis major, and trapezius
Clavicle Structure
Overview
- The clavicle is a long bone located between the shoulder blade (scapula) and the breastbone (sternum).
- It forms the anterior (front) part of the shoulder girdle.
Shape and Curvature
- The clavicle has a curved, S-shaped structure.
- It has a double curve, with the lateral (outer) end being more curved than the medial (inner) end.
Ossification
- The clavicle is the first bone to ossify (harden) in the fetus, around 5-6 weeks after conception.
- It ossifies from two primary centers, one medial and one lateral, which fuse together during childhood.
Function
- The clavicle serves as a strut between the scapula and sternum.
- It provides a attachment site for muscles and ligaments.
- It helps to transmit forces from the upper limb to the axial skeleton.
Attachments
- The clavicle has several important attachments, including:
- Ligaments: coracoclavicular, costoclavicular, and sternoclavicular.
- Muscles: deltoid, pectoralis major, and trapezius.
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Description
Learn about the anatomy and development of the clavicle, also known as the collarbone, including its shape, curvature, and ossification process.
