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The clavicle (lat. Clavicula) is a pairwise [[Special:MyLanguage/Röhrenknochen|tubular bone]]. It has an "s"-shaped bend and is located in the [[Special:MyLanguage/Schultergürtel|shoulder girdle]]. It is the only direct connection between the free upper extremity and the [[Special:MyLanguage/Rumpf|trunk]].
<div class="pfad">Is part of: [[Special:MyLanguage/Körperregionen|Body regions]] >> [[Special:MyLanguage/Obere_Extremität|Upper extremity]] >> [[Special:MyLanguage/Knochen_Obere_Extremität|Upper extremity - Bones]] >> [[Special:MyLanguage/Schultergürtel|Shoulder girdle]]
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<div>[[Special:MyLanguage/Übungsaufgaben: Obere Extremität|Upper extremity]]</div>
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<div>[[Special:MyLanguage/Übungsaufgabe: Schultergürtel|Shoulder girdle]]</div>
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<div>[[Special:MyLanguage/Übungsaufgabe: Schlüsselbein|Clavicle]]</div>
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<div class="floatright" style="margin:0.4em;">[[File:PfeilDropdown.png|20px|link=|Neighbouring structures]]</div>
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<div class="dropbtnart">Neighbouring structures</div>
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<div>[[Special:MyLanguage/Schulterblatt|Shoulder blade]]</div>
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<div>[[Special:MyLanguage/Oberarmknochen|Upper arm bone]]</div>
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<div class="floatright" style="margin:0.4em;">[[File:PfeilDropdown.png|20px|link=|Body regions]]</div>
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<div>[[Special:MyLanguage/Schultergürtel|Shoulder girdle]]</div>
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<div>[[Special:MyLanguage/Obere Extremität|Upper extremity]]</div>
 
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The clavicle (lat. Clavicula) is a pairwise [[Special:MyLanguage/Röhrenknochen|tubular bone]]. It has an "s"-shaped bend and is located in the [[Special:MyLanguage/Schultergürtel|shoulder girdle]]. It is the only direct connection between the free upper extremity and the [[Special:MyLanguage/trunk|trunk]].
 
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<ul class="center"> <li class="mw-ui-button button_new">[[Special:MyLanguage/Übungsaufgaben|Exercises]]</li></ul></div>
 
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<ul>'''Superordinate structures:'''<li class="mw-ui-button button_new">'''[[Special:MyLanguage/Knochen Obere Extremität|bones upper extremity]]'''</li><li class="mw-ui-button button_new">'''[[Special:MyLanguage/Obere Extremität|upper extremity]]'''</li><li class="mw-ui-button button_new">'''[[Special:MyLanguage/Körperregionen|body regions]]'''</li></ul>
 
 
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<ul>'''Adjoining structures:'''<li class="mw-ui-button button_new">'''[[Special:MyLanguage/Schulterblatt|shoulder blade]]'''</li><li class="mw-ui-button button_new">'''[[Special:MyLanguage/Oberarmknochen|humerus]]'''</li><li class="mw-ui-button button_new">'''[[Special:MyLanguage/Brustbein|sternum]]'''</li></ul>
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<div class="floatright" style="margin:0.4em;">[[File:PfeilDropdown.png|20px|link=|Organic system]]</div>
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<div>[[Special:MyLanguage/Nervensystem|Nervous System]]</div>
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<div>[[Special:MyLanguage/Lymphatisches System|Lymphatic systems]]</div>
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==Anatomy==
==Anatomy==  
 
 
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View and anatomy of the clavicle</div>
 
View and anatomy of the clavicle</div>
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The clavicle is located in the shoulder girdle and thus at the front of the trunk. Medially it is limited by the [[Special:MyLanguage/Brustbein|Sternum]] and laterally by the arcomion of the [[Special:MyLanguage/Schulterblatt|shoulder blade]]. The connection to the sternum is the only direct link between the free upper extremity and the trunk.
 
The clavicle is located in the shoulder girdle and thus at the front of the trunk. Medially it is limited by the [[Special:MyLanguage/Brustbein|Sternum]] and laterally by the arcomion of the [[Special:MyLanguage/Schulterblatt|shoulder blade]]. The connection to the sternum is the only direct link between the free upper extremity and the trunk.
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The clavicle is a tubular bone bent into an "S" shape. From cranial view the medial end shows a ventral convexity. This convexity takes up about 2/3 of the length of the entire bone. The lateral side, in contrast, shows a ventral concavity. In an adult, the clavicle is 12-15 cm long and can be palpated over its entire length.  
 
The clavicle is a tubular bone bent into an "S" shape. From cranial view the medial end shows a ventral convexity. This convexity takes up about 2/3 of the length of the entire bone. The lateral side, in contrast, shows a ventral concavity. In an adult, the clavicle is 12-15 cm long and can be palpated over its entire length.  
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The collarbone is connected to the sternum via the [[Special:MyLanguage/Sternoklavikulargelnk|sternoclavicular joint]]. This connects the following bony structures:  Extremitas sternalis and Manubrium sterni.
 
The collarbone is connected to the sternum via the [[Special:MyLanguage/Sternoklavikulargelnk|sternoclavicular joint]]. This connects the following bony structures:  Extremitas sternalis and Manubrium sterni.
  
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The clavicle and the scapula articulate via the [[Special:MyLanguage/Akromioklavikulargelenk|acromioclavicular joint]]. This connects the extremitas acromialis and the acromion of the scapula.
The clavicle and the scapula articulate via the [[Special:MyLanguage/Akromioklavikulargelenk|acromioclavicular joint]]. This connects the <i>extremitas acromialis</i> and the acromion of the scapula.
 
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==Evolution==  
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==Development==  
  
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During embryonic development, the clavicle is developed from a connective tissue base. It is therefore the only bone in an extremity that is not preformed by cartilage. However, the clavicle is one of the bones that develops earliest. Its diaphysis thus ossifies as early as embryonic week six to seven. An ossified nucleus can only be detected in the epyphyses at the age of 16 to 18 years. The epiphysis joints here do not close until the age of 20 to 25 years. They are therefore the last joints to close in the human body.
 
During embryonic development, the clavicle is developed from a connective tissue base. It is therefore the only bone in an extremity that is not preformed by cartilage. However, the clavicle is one of the bones that develops earliest. Its diaphysis thus ossifies as early as embryonic week six to seven. An ossified nucleus can only be detected in the epyphyses at the age of 16 to 18 years. The epiphysis joints here do not close until the age of 20 to 25 years. They are therefore the last joints to close in the human body.
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*[[Special:MyLanguage/Dysostosis_cleidocranialis|Disostosis cleidocranialis]]
 
*[[Special:MyLanguage/Dysostosis_cleidocranialis|Disostosis cleidocranialis]]
  
==Freie Exploration==
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==Free exploration==
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<div style="float:left;width:50%">Schauen Sie sich die Struktur des Schlüsselbeins in 3D an und explorieren Sie sie frei. Danach können Sie Ihr erlerntes Wissen durch die Übungsaufgaben überprüfen.</div>
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<div style="float:left;width:50%">Look at the structure of the clavicle in 3D and explore it freely. Afterwards you can test your acquired knowledge by the exercises.</div>
 
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<li class="mw-ui-button button_new" >[[Special:MyLanguage/Übungsaufgaben|Exercises]]</li>
<ul>'''Weitere Artikel:'''<li class="mw-ui-button button_new" >[[Special:MyLanguage/Beckengürtel|BECKENGÜRTEL]]</li><li class="mw-ui-button button_new" >[[Special:MyLanguage/Brustbein|BRUSTBEIN]]</li></ul>
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<div style="center"><b>Further articles</b></div>
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<li class="mw-ui-button button_normal">[[Special:MyLanguage/Beckengürtel|Pelvic girdle]]</li>
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<ul>'''Weiterführende Links:'''<li class="mw-ui-button button_new">[https://de.wikipedia.org/wiki/Schulterblatt WIKIPEDIA - SCHULTERBLATT]</li></ul>
 
 
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[[Category:Shoulder girdle]]
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[[Category:Bones Upper Extremity]]
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[[Category:Upper Extremity]]
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[[Category:Body regions]]
  
 
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Aktuelle Version vom 10. Mai 2022, 12:27 Uhr

The clavicle (lat. Clavicula) is a pairwise tubular bone. It has an "s"-shaped bend and is located in the shoulder girdle. It is the only direct connection between the free upper extremity and the trunk.


Anatomy

View and anatomy of the clavicle

The clavicle is located in the shoulder girdle and thus at the front of the trunk. Medially it is limited by the Sternum and laterally by the arcomion of the shoulder blade. The connection to the sternum is the only direct link between the free upper extremity and the trunk.

The clavicle is a tubular bone bent into an "S" shape. From cranial view the medial end shows a ventral convexity. This convexity takes up about 2/3 of the length of the entire bone. The lateral side, in contrast, shows a ventral concavity. In an adult, the clavicle is 12-15 cm long and can be palpated over its entire length.

The thickened sternal end of the clavicle is called Extremitas sternalis. This name is due to its location adjacent to the sternum. On this side of the clavicle a saddle-shaped, three-sided articular surface is formed, which is covered with the Facies articularis sternalis. The lateral side of the clavicle is called Extremitas acromialis due to its connection to the acromion of the scapula. There is a rather flat, vertically oriented surface. This is almost oval and covered with the Facies articularis acrommialis. The area of the clavicle between the two ends is called Corpus claviculae.


If one looks at the clavicle from caudal, further structures become apparent. On the acromial side a bony elevation is pronounced, the tuberculum conoideum. This is also visible from the cranial view. Lateral to it is the linea trapezoides from the caudal side. From caudal view the corpus claviculae is characterized by an elongated depression called sulcus musculi subclavia. From the caudal side a depression appears at the sternal extremity, called impressio ligamenti costoclavicularis.

Joints

The collarbone is connected to the sternum via the sternoclavicular joint. This connects the following bony structures: Extremitas sternalis and Manubrium sterni.

The clavicle and the scapula articulate via the acromioclavicular joint. This connects the extremitas acromialis and the acromion of the scapula.

Development

During embryonic development, the clavicle is developed from a connective tissue base. It is therefore the only bone in an extremity that is not preformed by cartilage. However, the clavicle is one of the bones that develops earliest. Its diaphysis thus ossifies as early as embryonic week six to seven. An ossified nucleus can only be detected in the epyphyses at the age of 16 to 18 years. The epiphysis joints here do not close until the age of 20 to 25 years. They are therefore the last joints to close in the human body.


Diseases

Free exploration

Look at the structure of the clavicle in 3D and explore it freely. Afterwards you can test your acquired knowledge by the exercises.


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