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A synchondrosis (or primary cartilaginous joint) is a type of cartilaginous joint where hyaline cartilage completely joins together two bones. [1] Synchondroses are different from symphyses (secondary cartilaginous joints), which are formed of fibrocartilage , and from synostosis (ossified junctions), which is the fusion of two or more bones.
Primary cartilaginous joints are known as "synchondrosis". These bones are connected by hyaline cartilage and sometimes occur between ossification centers. This cartilage may ossify with age. Some examples of primary cartilaginous joints in humans are the "growth plates" between ossification centers in long bones.
The only exception is the first rib, which has a synchondrosis joint since the cartilage is directly united with the sternum. [1] The sternocostal joints are important for thoracic wall mobility. [2] The ligaments connecting them are: Articular capsules; Intraarticular sternocostal ligament; Radiate sternocostal ligaments; Costoxiphoid ligaments
Synchondrosis of these two bones forms the clivus. The clivus extends inferiorly to the foramen magnum. [3] On axial planes, it sits just posterior to the sphenoid sinuses. It is medial to the foramen lacerum (the internal carotid artery reaches the middle cranial fossa above the foramen lacerum), proximal to its anastomosis with the Circle of ...
Synchondrosis is a cartilaginous joint connected by hyaline cartilage, as seen in the epiphyseal plate. Features. The articulating surfaces of synarthroses have ...
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.
Other ways that coccydynia develops are partial dislocation of the sacrococcygeal synchondrosis that can possibly result in abnormal movement of the coccyx from excessive sitting, and repetitive trauma of the surrounding ligaments and muscles, resulting in inflammation of tissues and pain.
Proton density weighted MRI of a knee with synovial chondromatosis. There are multiple intra-articular loose bodies located in the suprapatellar recess. [5]Diagnosis is by medical imaging; X-ray, CT scan and MRI. [1]