Definitions for xiphoid process
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smallest of the three parts of the breastbone; articulates with the corpus sternum and the seventh rib
The cartilaginous extension of the lower sternum; the xiphisternum.
The xiphoid process, or xiphisternum or metasternum, is a small cartilaginous process of the lower part of the sternum which is usually ossified in the adult human. By age 15 to 29, the xiphoid usually fuses to the body of the sternum with a fibrous joint. Unlike the synovial articulation of major joints, this is non-movable. Much the way the first seven ribs articulate with the sternum, the cartilage in the celiac plexus joins on the xiphoid process, reinforcing it, and indirectly attaches the costal cartilage to the sternum. In newborn babies and young infants, the tip of the xiphoid process may be both seen and felt as a lump just below the sternal notch. The xiphoid process is considered to be at the level of the 9th thoracic vertebra and the T6 dermatome.
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"xiphoid process." Definitions.net. STANDS4 LLC, 2015. Web. 1 Dec. 2015. <http://www.definitions.net/definition/xiphoid process>.