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The sternal angle is the angle formed by the junction of the manubrium and the body of the sternum in the form of a secondary cartilaginous joint (symphysis). This is also called the manubriosternal joint or Angle of Louis. The sternal angle is a palpable clinical landmark.
Additional recommended knowledge
It marks the approximate level of the 2nd pair of costal cartilages and the level of the intervertebral disc between T4 and T5. It also marks approximately the beginning and end of the aortic arch, and the bifurcation of the trachea into the left and right main bronchi.
The angle is 140 degrees.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Sternal_angle". A list of authors is available in Wikipedia.|