Manubrium

From WikiMD's Wellness Encyclopedia

Manubrium

The Manubrium is the superior (upper) segment of the sternum, a long, flat bone located in the center of the thorax. The manubrium is a quadrangular shaped bone, broad and thick at the superior border, narrow at the inferior where it joins with the body of the sternum.

Anatomy[edit | edit source]

The manubrium is located at the level of the third to fifth thoracic vertebrae. It articulates with the clavicles (collar bones) and the first two pairs of ribs via the costal cartilage. The manubrium, together with the body of the sternum, forms the sternal angle, which allows the identification of the second rib, and therefore is a useful anatomical landmark in thoracic procedures.

Clinical significance[edit | edit source]

Due to its location, the manubrium can be involved in several medical conditions. These include sternal fractures, manubriosternal joint disorders, and sternum cancer. The manubrium is also a key anatomical landmark in medical procedures such as thoracentesis and bone marrow biopsy.

See also[edit | edit source]

References[edit | edit source]


Manubrium Resources
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Contributors: Prab R. Tumpati, MD