Sternum Anatomy

The sternum or breastbone is a flat bone at the front center of the chest. It is not found in fish.

Human Anatomy Art Print Clavicle Sternum Chest Vintage Anatomy Doctor Medical Art Antique Book Pla Art Print By Frenchfineart

The sternum commonly known as the breastbone is a long narrow flat bone that serves as the keystone of the rib cage and stabilizes the thoracic skeleton.

Sternum anatomy. Sternum also called breastbone in the anatomy of tetrapods four limbed vertebrates elongated bone in the centre of the chest that articulates with and provides support for the clavicles collarbones of the shoulder girdle and for the ribs. It forms part of the rib cage and the anterior most part of the thorax. The sternum is the bone that lies in the anterior midline of our thorax.

The ribs and sternum make up what is called the ribcage the ribcage protects the lungs blood vessels and heart along with parts of the spleen stomach and kidneys from traumatic injury. The sternum in vertebrate anatomy is a flat bone that lies in the middle front part of the rib cage. The superior border of the.

The anterior surface of the sternal body is almost flat. There are three horizontal ridges that pass through the 3rd 4th and 5th articular facets. Its origin in evolution is unclear.

Several muscles that move the arms head and neck have their origins on the sternum. It is endochondral in origin. The sternum is attached to the first seven ribs and also to.

10 it probably first evolved in early tetrapods as an extension of the pectoral girdle. The corpus sterni or gladiolus is the longest part of the sternum. 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. The posterior surface also has these three lines.

The Ribs Structure Articulations Fracture Teachmeanatomy

Human Skeleton Anatomy Sternum Royalty Free Stock Image