What type of joint is Xiphisternal joint?
The xiphisternal joint (or xiphisternal symphysis) is a location near the bottom of the sternum, where the body of the sternum and the xiphoid process meet. It is structurally classified as a synchondrosis, and functionally classified as a synarthrosis.
What are the structures attached to styloid process?
The styloid process projects from the inferior part of the petrous temporal bone and offers attachment to the stylohyoid ligament and the stylohyoid, stylopharyngeus, and styloglossus muscles.
Why is my xiphoid process protruding?
Anterior displacement of the xiphoid process may be the result of significant weight gain. Repeated trauma of the afflicted area, unaccustomed heavy lifting, exercise, and perichondritis are, amongst other causes, believed to contribute to the development of xiphodynia.
What is an example of a Synarthrotic joint?
A synarthrosis is a joint that is essentially immobile. This type of joint provides for a strong connection between the adjacent bones, which serves to protect internal structures such as the brain or heart. Examples include the fibrous joints of the skull sutures and the cartilaginous manubriosternal joint.
What does the xiphisternal joint do?
The xiphisternal joint (or more rarely, the sternoxiphoid joint) is a symphysis between the inferior margin of the body of the sternum and the superior margin of the xiphoid process. In most people it ossifies with age, usually becoming fully fused by the age of 40 years, forming a synostosis.
What attaches to the mastoid and styloid process?
The styloid process lies anterior and medial to the mastoid process, and in between them is the stylomastoid foramen. This foramen allows the muscular branch of the facial nerve to leave the skull and go onto innervate the muscles of facial expression.
What is Xiphisternum?
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.
What is Xiphisternum meaning?
xiphisternum. / (ˌzɪfɪˈstɜːnəm) / noun plural -na (-nə) anatomy zoology the cartilaginous process forming the lowermost part of the breastbone (sternum)Also called: xiphoid, xiphoid process.