Ribs: Morphology Flashcards
What are the primary parts of the vertebral end of a typical rib?
- head
- neck
- tubercle
What features may be identified on the head of a typical rib?
two articular surfaces and the interarticular crest
What joint is formed between the head of the rib and the vertebral body of a thoracic?
the costocentral joint
What is the classification of the costocentral joint?
synovial plane (diarthrosis arthrodia)
What attaches to the interarticular crest of the rib?
the interarticular lig
What are the attachment sites for the interarticular lig?
the interarticular crest of the head of the rib and the intervertebral disc
What is the classification of the joint formed by the interarticular lig?
fibrous (amphiarthrosis) syndesmosis
What features may be identified on the neck of a typical rib?
crest of the rib
What attaches to the crest of the neck of the rib?
the superior costotransverse lig
What attaches beneath the crest of the neck of the rib?
the inferior costotransverse lig
What features may be identified on the tubercle of a typical rib?
the articular surface of the tubercle and the non-articular surface of the tubercle
What joints with the articular surface of the tubercle of the rib?
the transverse costal facet of a thoracic transverse tubercle
What is the name of the joint formed by the articular surface of the tubercle and the transverse costal facet?
the costotransverse joint
What is the classification of the costotransverse joint?
synovial plane (diarthrosis arthrodia)
What attaches to the non-articular surface of the tubercle of a rib?
the lateral costotransverse ligament
What are the attachment sites for the lateral costotransverse lig?
the thoracic transverse tubercle and the non-articular surface of the rib
What is the classification of the joint formed by the lateral costotransverse lig?
fibrous (amphiarthrosis) syndesmosis
What features may be identified on the body of a typical rib?
- costal angle
- costal groove
What is the costal angle of a rib?
the location on the body of the rib where there is a directional change toward the sternum
What attaches to the costal angle of a rib?
the iliocostalis muscle and thoracolumbar aponeurosis/fascia