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A couple of the very vital organs of the body, a person’s heart and also the lung area would be the organs within the thoracic region. This region remains safe and secure through the mild cone formed and a little flexible group of bones known as the rib cage. You will find 12 pairs of ribs, thoracic vertebra, costal cartilage and also the anteriorly placed sternum. The rib cage function includes safeguarding from the visceral organs, attaching the thoracic visceral organs and assist in the overall mechanism by aiding the breathing process. The rib cage helps provide support towards the torso along with the pectoral girdle. Within the following sentences, we shall cover one area of the rib cage anatomy, that’s, sternum anatomy.

Anatomy of Sternum

So, where’s the breastbone situated? The breastbone/sternum anatomy really is easy and not so complicated to know. The sternum is definitely an elongated lengthy bone that appears just like a big t. With an average, the sternum is all about 17 centimeters long. The sternum is really a flat bone that’s split into three parts, the manubrium, sternum body (gladiolus) and also the xiphoid process. The sternum is situated in the center of the thorax and between two groups of ribs. Initially the sternum is split into 3 regions, known as the Sternebra. Let us get into further particulars of anatomy of sternum.

If you notice the sternum anatomy, top of the finish props up clavicles, that’s, collar bones. The top end of sternum is attached to the Sternocleidomastoid muscle. Once we move downward, it will get split into three parts pointed out above. The next sentences covers information associated with these three areas of sternum anatomy in a nutshell.


The term manubrium in Latin means a handle. It’s broad, upper area of the sternum that’s situated ventrally having a quadrangular shape. It articulates using the clavicles and also the first couple of ribs. It’s wide superiorly and narrower inferiorly.

Body from the Sternum (Gladiolus)

Your body of sternum or gladiolus is longer, narrower and thinner compared to manubrium. It’s largest for the lower finish. The anterior the surface of sternum is almost flat and directed upward and forward because of three transverse side rails. In the sternal origin of Pectoralis major, you will find accessories on each side of the bone. Around the posterior side, the bone is slightly concave and it is marked by transverse lines. Wrinkles are less distinct and also the Transversus thoracis arises from either side.

The highest border from the bone is oblong, articulating using the manubrium. The sternal position is created in the junction of these two bones. The inferior border is narrow articulating using the xiphoid process. The lateral border includes articular downturns in which the corresponding cartilages from third, 4th, fifth and sixth ribs are received. In the inferior position, there’s a little facet that forms a notch for that seventh rib cartilage.

Xiphoid Process

The xiphoid process is really a small cartilaginous process that’s ossified in grown ups. It forms a ” floating ” fibrous joint using the body of sternum by age 15 to 29 years. There’s natural bifurcation from the xiphoid process and often are perforated.

The anatomy of sternum implies that it articulates using the clavicle on each side and also the upper seven costal cartilages. Fracture from the sternum is extremely uncommon condition. It happens because of trauma from the vehicle accident or repeated punches or beatings towards the sternum known as the ‘sternum punches’. These punches are extremely common in sports like football and rugby. A sternum fracture is known as the comminuted fracture and it is connected with lung contusions and lengthy tissue bruising.

It was some good info associated with anatomy of sternum. The sternum may be the medical reputation for the generally known breastbone. It will help in hooking up the ribs towards the cartilages and also the primary function includes protection from the heart, lung area and bloodstream ships within the chest from injuries. Vascular tissue comprises the sternum with merely a thin layer of bone present outdoors the tissue. Hope the above mentioned sentences on sternum anatomy has assisted explain the dwelling from the breastbone clearly.


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