What are the 3 parts of the breastbone?

What are the 3 parts of the breastbone?

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.

What is the end of the breastbone called?

The xiphoid process is a small extension of bone just below the sternum. The name xiphoid derives from the Greek word for “straight sword” as the structure has a sharp tip, resembling a sword. It is also known by other names including the metasternum, xiphisternum, and xiphoid cartilage.

Do all humans have a xiphoid process?

This means that for the majority of people, the xiphoid faces inward so there’s no lump on their chests. However, about 5% of people have what is called a “protruding” xiphoid process.

What organ is under center breastbone?

Under and around the left breastbone are the heart, spleen, stomach, pancreas, and large intestine. And that’s in addition to the left lung, left breast, and left kidney, which actually sits higher in the body than the right one.

What organs are behind the breastbone?

The thymus is a small organ located just behind the breast bone (sternum) in the front part of the chest….The thymus has 3 main layers:

• The medulla is the inside part of the thymus.
• The cortex is the layer that surrounds the medulla.
• The capsule is the thin covering over the outside of the thymus.

What risk is there if a person breaks a rib?

A broken rib can injure blood vessels and internal organs. The risk increases with the number of broken ribs.

Why is the rib at B considered a true rib?

Why is the rib at B considered a true rib? True, or vertebrosternal, ribs make a complete circuit around the thoracic cage in a ring that includes their own costal cartilage. Which of the following bones does NOT fit with the other listed bones? Each of the 12 ribs articulates with one vertebrae.

What does pain in the breast bone mean?

Costochondritis. Costochondritis is the most common cause of sternum pain and occurs when the cartilage between the sternum and ribs becomes inflamed and irritated. Costochondritis can sometimes occur as the result of osteoarthritis but may also happen for no apparent reason.

What causes pain in the middle of the breast bone?

What are the bones in your chest called?

The sternum, or breastbone, is a flat bone at the front center of the chest. 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.

What makes up the top of the breastbone?

It serves as a point where ribs and the collarbones on either side can attach and also protects important vital organs like the heart. The top part of the breastbone is known as the manubrium, which attaches to a long body and ends with a sharp almost triangular portion known as the xiphoid process.

What makes up the ribcage and the sternum?

Sternum The sternum, or breastbone, is a flat bone at the front center of the chest. 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.

What kind of pain is below the breast bone?

The medical term for pain behind the breast bone is retrosternal pain. Pain below this xiphoid process or just underneath is technically epigastric pain ( upper middle abdominal pain ). With the abdominal cavity holding so many organs in such close proximity to each other, the cause of pain below the breastbone can vary greatly.