Osteology Of The Anterior Thorax Flashcards
What vertebral levels correspond to the position of the manubrium sterni?
T3-T4
Which ribs will articulate with the manubrium sterni?
The first and second ribs
What separates the manubrium sterni and corpus sterni?
The manubrisoternal symphysis
What vertebral levels correspond to the position of the corpus sterni?
T5-T9
How many sternabrae form the corpus sterni?
4
What surface feature on the corpus sterni IDes the location of the synchondroses?
Transverse lines
What articular sites for the costal cartilage of ribs will be IDed on the corpus sterni?
Costal notches II-VI
What feature of the corpus sterni is present is present in 4-7%of the population?
A sternal Foramen
What are the primary parts of the vertebral end of a typical rib?
The head, neck and tubercle
What features may be IDed on the neck of a typical rib?
The crest of the rib
What attaches to the crest of the neck of the rib?
The superior costotransverse ligamnet
What attaches beneath the crest of the neck of the rib?
The inferior costotransverse ligament
What features may be IDed 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 attaches to the non-articular surface of the tubercle of a rib?
The lateral costotransverse ligament
What features may be IDed on the body (corpus or shaft) of a typical rib?
The costal angle and costal groove
What attaches to the costal angle of a rib?
The Iliocostalis muscle and thoracolumbar aponeurosis/fascia
What is unique about he Boyd of the first rib?
The Boyd of the first rib if flattened and has a scalene tubercle flanked by the groove for the subclavian artery and vein
What attaches to the scalene tubercle of the first rib?
The anterior scalene muscle
Which groove on the body of the first rib is close to the vertebral end?
The groove for the subclavian artery and 1st thoracic nerve
Which groove on the body o fat e1st rib is close to the sternal end?
The groove for the subclavian vein