![]() The superior aspect of the manubrium is concave, resulting in the jugular notch, which is visible beneath the skin.It connects to the body of the sternum, the clavicles, and the first pair of rib cartilages. It has a quadrangular shape that narrows from the top, giving it four borders. Latin for “handle,” it is the uppermost part of the sternum.During adulthood, the cartilage ossifies into bone. In children, cartilage connects the three sections of the sternum.It is slightly convex in front and concave at the back broad above, shaped like a “T”, narrowing at the point where the manubrium joins the body, then widening again to below the middle of the body and narrowing to its lower extremity. The sternum is angled obliquely, downward, and forward in its natural position.The sternum is divided into three sections: the manubrium, the body, and the xiphoid process.The sternum is longer in men than in women. It is one of the body’s most prominent and longest flat bones, resembling a necktie. The sternum is a flat bone about six inches long, an inch wide, and only a fraction of an inch thick. ![]() You can feel it if you put your fingers in the center of your chest. The sternum is located in the anterior thoracic region, beneath the skin, along the body’s midline.The word sternum is derived from the Greek word sternon, which means “chest.”. ![]() See the fact file below for more information on the Sternum, or you can download our 28-page Sternum worksheet pack to utilize within the classroom or home environment. It also serves as a link between the upper ribs on either side of the body. The sternum, also known as the breastbone, is a long, flat bone in the chest that protects the underlying muscles, organs, and major arteries, including the lungs and heart.
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