Sternal Anatomy Definition

Several muscles that move the arms head and neck have their origins on the sternum. It is endochondral in origin.

Surface Anatomy Thorax At University Of Dundee Studyblue

10 it probably first evolved in early tetrapods as an extension of the pectoral girdle.

Sternal anatomy definition. It is not found in fish. Sternums or sterna 1. A long flat bone in most vertebrates that is situated along the ventral midline of the thorax and articulates with the ribs.

Sternum synonyms sternum pronunciation sternum translation english dictionary definition of sternum. Sternal puncture insertion of a hollow needle into the manubrium of the sternum to obtain a sample of bone marrow. The procedure must be done under surgical asepsis.

Sternal angle or the angle of louis is the articulation that is formed by the fusion of manubrium and body of the sternum. Sternal incision cordate deeper than in all other species of the genus nearly half as long as the shell. The sternum in vertebrate anatomy is a flat bone that lies in the middle front part of the rib cage.

This is a very important landmark since it is where the costal cartilages and ribs are first counted. Sternum definition a bone or series of bones extending along the middle line of the ventral portion of the body of most vertebrates consisting in humans of a flat narrow bone connected with the clavicles and the true ribs. The sternum is chosen because of its accessibility and because it is a thin flat bone.

The story of an imaginary word that managed to sneak past our editors and enter the dictionary. 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.

Anatomical Terms Of Location Anterior Posterior