Which bone contains the manubrium and the xiphoid process?
Sternum. The sternum is the elongated bony structure that anchors the anterior thoracic cage. It consists of three parts: the manubrium, body, and xiphoid process.
Where would you find the manubrium and xiphoid process?
Structure and Function
- The manubrium (manubrium sterni) is quadrangular shaped with four borders.
- The body of the sternum (mesosternum) is the longest part of the sternum.
- The xiphoid process (xiphisternum/xiphoid) is triangular shaped and forms the distal-most part of the sternum.
What causes xiphoid process inflammation?
Xiphoid process pain can be triggered by many different causes and is most commonly a result of acute chest trauma. Inflammation of the region can cause a lump to develop that may be mistaken for a more serious condition, such as a tumor or a hernia.
Where is the manubrium bone located?
sternum
The manubrium is the most superior portion of the sternum. It is trapezoid in shape. The superior aspect of the manubrium is concave, producing a depression known as the jugular notch – this is visible underneath the skin.
What is the manubrium bone?
The manubrium is the most massive, thickest, and squarest of three main sternal elements. It is the superior-most element of the sternum and is the widest part of this bone. Clavicular notches occupy the superior corners of the sternum. It is here that the manubrium articulates with the right and left clavicles.
What type of bone is the xiphoid process?
The xiphoid process /ˈzaɪfɔɪd/, or xiphisternum or metasternum, is a small cartilaginous process (extension) of the inferior (lower) part of the sternum, which is usually ossified in the adult human. It may also be referred to as the ensiform process.
What bone includes a manubrium?
The manubrium (Latin for “handle”) is the broad upper part of the sternum. It has a quadrangular shape, narrowing from the top, which gives it four borders. The suprasternal notch (jugular notch) is located in the middle at the upper broadest part of the manubrium.
Where is manubrium found in the body?
The manubrium is the superior part of the sternum lying at the level of T3-T4 vertebrae. It forms the superior wall of the anterior mediastinum and its superior border also contributes to the superior thoracic aperture (thoracic inlet).
What is the xiphoid bone?
Overview. The xiphoid process is the smallest region of the sternum, or breastbone. It’s made up of cartilage at birth but develops into bone in adulthood. It’s located where the lower ribs attach to the breastbone.
Where is the xiphoid process bone located?
The xiphoid process is the smallest region of the sternum, or breastbone. It’s made up of cartilage at birth but develops into bone in adulthood. It’s located where the lower ribs attach to the breastbone. The tip of the xiphoid process resembles a sword.
Is the manubrium superior to the xiphoid process?
It articulates with the manubrium superiorly (manubriosternal joint) and the xiphoid process inferiorly (xiphisternal joint). The lateral edges of the body are marked by numerous articular facets (cartilage lined depressions in the bone). These articular facets articulate with the costal cartilages of ribs 3-6.
How big is the xiphoid process in the sternum?
Doctors on MedicineNet describe the xiphoid process as the lowest segment of the sternum and it has no particular function. The size of the xiphoid process can range from very tiny to a few inches in length. 1 Another name for the xiphoid process is xiphisternal bone, the xiphisternum, or metasternum.
Where is the xiphoid located in the body?
It is located around the 9 th thoracic vertebra, and it allows for the the attachment of the seventh rib via costal cartilage, as well as important muscles such as the diaphragm. The xiphoid process also serves as an important landmark when performing CPR.
When does the xiphoid process completely ossify?
The xiphoid process is largely cartilaginous in structure, and completely ossifies late in life – around the age of 40. In some individuals, the xiphoid process articulates with part of the costal cartilage of the seventh rib. Fig 2 – The articulations and parts of the sternum.