Sections Of The Sternum
The manubrium sterni is the most superior part of the sternum that lies at the levels of 3rd and 4th thoracic vertebrae.
Sections of the sternum. Shaped roughly like a necktie it is one of the largest and longest flat bones of the body its three regions are the manubrium the body and the xiphoid. The superior border of the manubrium has the broadest structure among the other parts of the sternum. It is a flat bone that articulates with the clavicle and the costal cartilages of the upper 7 ribs true ribs while the 8th 9th and 10th ribs false ribs are indirectly attached with sternum via costal cartilage of the ribs above.
The sternum is the elongated bony structure that anchors the anterior thoracic cage. In adults the sternum portions are fused. Its upper end supports the clavicles and its margins articulate with the cartilages of the first seven pairs of ribs.
The word sternum originates from the ancient greek word sternon meaning chest. In early life the body consists. The sternum is also known as the breastbone.
Parts of the sternum manubrium. The manubrium body and xiphoid process. The shape of the sternum looks somewhat like a sword pointing downwards with the manubrium forming the handle the body forming the blade and the xiphoid process forming the tip.
The sternum is made up of three parts called the manubrim the body and the xiphoid process. The sternum develops as three distinct parts. In this article we shall look at the osteology of the sternum its constituent parts articulations and.
The top of the sternum is the manubrim or handle. It consists of three parts. As part of the bony thoracic wall the sternum helps protect the internal thoracic viscera such as the heart lungs and oesophagus.