The xiphoid process is the smallest and most inferior an ar of the sternum, or breastbone. In ~ birth, it is a thin, roughly triangular an ar of cartilage that progressively ossifies right into a bone and fuses with the human body of the sternum. Clinically, the xiphoid procedure plays an important role together a bony anatomical landmark in the trunk and may be damaged by improperly administered CPR.

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The xiphoid procedure is located inferior come the body of the sternum. Words xiphoid comes from the Greek word because that “sword-shaped,” which explains its thin and pointed shape. Proceed Scrolling to Read more Below...




ongoing From Above... it is widest at its superior finish where the is attached come the body of the sternum by a thin, contempt movable fibrous joint (syndesmosis). Indigenous its syndesmosis, that tapers progressively to a point. There are many usual variations in the shape of the xiphoid process, including:

Perforation through a little foramen in its center Bifurcation v a break-up into left and right branches at its inferior end.

These variations in anatomy apparently do not result in any kind of sort of change in the role of the xiphoid process and might be inherited genetically.

Developmentally, the xiphoid process begins together a framework made the hyaline cartilage at birth and childhood, slowly ossifying into a bony part of the sternum. In fact, the ossification of the xiphoid process is so slow that it often does not finish until an individual reaches the age of 40.

The xiphoid process functions as a critical attachment point for several significant muscles. It acts as among several origins for the diaphragm muscle that creates the floor the the ribcage and performs the vital process the respiration. The xiphoid procedure also acts as an insertion for the rectus abdominis and also transverse abdominis muscles that compress and flex the abdomen. During cardiopulmonary resuscitation (CPR), the xiphoid procedure may be offered as a bony landmark to identify the location for administering chest compressions. The is extremely necessary that pressure is no exerted on the xiphoid process during chest compressions, as this can cause the xiphoid process to different from the sternum, perhaps puncturing the diaphragm or liver.

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