2023年10月26日 · The sternum is the bone that lies in the anterior midline of our thorax.It forms part of the rib cage and the anterior-most part of the thorax. Its functions are to protect the thoracic organs from trauma and also form the bony attachment for various muscles. It is also the center around which the superior 10 ribs directly or indirectly attached.

2025年2月18日 · Gross anatomy. The sternum comprises three bones which are firmly connected by symphyses (secondary cartilaginous joints).. The broader superior surface of the quadrilateral manubrium has a midline notch, the sternal notch. The manubrium is connected to the deep cervical fascia, three neck muscles and is notched at …

2021年12月29日 · The cartilaginous sternal model consists of six horizontal divisions known as sternebrae. The superior-most sternebra and the inferior-most sternebra give rise to the manubrium and xiphoid process, respectively. The remaining four sternebrae that lie in between form the body of the sternum. Thus, the sternum is ossified from six centers: one ...

The sternum (pl.: sternums or sterna) or breastbone is a long flat bone located in the central part of the chest.It connects to the ribs via cartilage and forms the front of the rib cage, thus helping to protect the heart, lungs, and major blood vessels from injury. Shaped roughly like a necktie, it is one of the largest and longest flat bones of the body.

2023年7月24日 · The sternum is a partially T-shaped vertical bone that forms the anterior portion of the chest wall centrally. The sternum is divided anatomically into three segments: manubrium, body, and xiphoid process. ... The cartilaginous sternal model consists of six horizontal divisions known as sternebrae. The superior-most sternebra and the inferior ...

2020年11月19日 · The sternum (or breastbone) is a flat bone located at the anterior aspect of the thorax.It lies in the midline of the chest and has a ‘T’ shape. As part of the bony thoracic wall, the sternum helps protect the internal thoracic viscera – such as the heart, lungs and oesophagus.. In this article, we shall look at the osteology of the sternum …

Structure of the Sternum. The sternum is divided into three regions: The manubrium. The gladiolus. The xiphoid process. The manubrium is the most superior region of the sternum and articulates with the clavicles or collarbones and the first pair of ribs. The manubrium is the thickest portion of the sternum as it carries the greatest physical load.

2023年4月24日 · The sternum is the centrally located anterior portion of the chest wall and is a partially T-shaped vertical bone. There are three anatomical divisions in the sternum: the manubrium, body, and xiphoid process. The anterior rib cage’s costal cartilage connects the sternum to the ribs.

2025年1月28日 · The sternum consists of three parts: the manubrium, body (or gladiolus), and xiphoid process. Together, these components create a protective framework for vital organs such as the heart and lungs. Location. The sternum is located in the midline of the chest, extending from the base of the neck to the upper abdomen. [8]

The cartilaginous sternal model consists of six horizontal divisions known as sternebrae. The superior-most sternebra and the inferior-most sternebra ultimately represent the manubrium sterni and xiphoid process, respectively. ... The sternum is a commonly used site for collection of bone marrow because sternal hematopoietic marrow persists ...