OSTEOLOGY-CLAVICLE

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SUMMARY


Medial 2/3 is rounded & lateral 1/3 is flat in cross-section; lower surface:
1. Oval pit - lateral to the (sternoclavicular) articular surface, for attachment of the costoclavicular ligament. 
2. Groove for the subclavius - lateral to the oval pit.
3. Conoid tubercle - near the flat posterior border the clavicle, for attachement of the conoid ligament. 
4. Trapezoid ridge - extends obliquely from the conoid tubercle to the (acromioclavicular) articular facet of the clavicle, for the trapezoid ligament.
5. Fracture of the clavicle is commonly b/w the costoclavicular & coracoclavicular ligaments. 

INFERIOR SURFACE
Gray201.png

SUPERIOR SURFACE
Gray200.png
Image: Gray, Henry. Anatomy of the Human Body. Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. www.bartleby.com/107/ [Accessed 16 Apr. 2019]. 

Reference(s)

R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone.
Gray, H., Carter, H.V. and Davidson, G. (2017). Gray’s anatomy. London: Arcturus.