Sternum and ribs Flashcards
What feature is present at the top of the manubrium sterni?
Jugular notch
What is the name given to the articular site at the superolateral margin of the manubrium sterni?
Clavicular notch
What names are given to the articular sites for the joint with the first and second rib?
Costal notch I for the first ride costal cartilage; Costal notch II for the second rib SoCal cartilage
How may sternabrae for the corpus sterni?
4 sternabrae
What surface feature on the corpus sterni IDs the location of the old synchondroses?
Transverse lines
What articular sites of the costal cartilage of rise will be IDed on the corpus sterni?
Costal notches II-VII
What feature of the corpus sterni 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 head of a typical rib?
Two articular surfaces and the interarticularis crest
What names are given to the articular surfaces on the head of a typical rib based on location?
Superior articular surface/facet and inferior articular surface/facet
What feature of the head of a rib separates the superior from inferior articular surface/facet?
The interarticularis crest
What feature may be IDed on the neck of a typical rib?
The crest of the rib
What features may be IDed on the the tubercle of a typical rib?
The articular surface and non-articular surface of the tubercle
Which feature o fate tubercle of the typical rib is closer to the head of the rib?
The articular surface of the tubercle
Which feature of the tubercle of a typical rib is closer to the shaft of the rib?
The non-articular surface of he tubercle
What features may be IDed on the body of a typical rib?
The costal angle and costal groove
What is the costal groove of a rib?
The linear depression on the internal and inferior surface of the body
What is present on the head of the first rib?
A single articular surface
What is lacking at the head of the first rib?
The interarticular crest
Is there a crest on the neck of the first rib?
Not a well-developed one like on the typical rib
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 is unique about the Boyd of the first rib?
The body of the first rib is flattened and has a scalene tubercle flanked by the groove for the subclavian artery and the groove for the subclavian vein
Which groove on the body of the first rib is close to the vertebral end?
The groove for the subclavian artery and the first thoracic nerve
Which groove on the body of the first rib is close to the sternal end?
The groove for the subclavian vein
What feature may be IDed on the head of rib 2?
Two articular surfaces and the interarticular crest
What feature of the head of rib 2 separates the superior form inferior articular surface facet?
The interarticular crest
What feature may be IDed on the neck of rib 2?
The crest of the rib
What features may be IDed on the tubercle of rib 2?
The articular and non-articular surfaces of the tubercle
Which feature of the tubercle of rib 2 is closer to the head of the rib?
The articular surface of the tubercle
What distinguishes the vertebral end of rib 11 from typical ribs?
The single articular surface, absence of a well-developed cites on the neck and the tubercle may be absent or if Preston, consists only of a non-articular surface
What helps to distinguish the vertebral end of rib 12 from other ribs?>
The head has a single articular surface, the crest of the neck is portly developed, the tubercle is absent
What is the condition of the body of rib 12?
The costal angle and coastal groove are absent and it is the shortest of all ribs
What features may be IDed on the body of rib 2?
The tuberosity for the Serratus anterior, the costal angle and the costal groove
What is the costal angle of a rib?
The location on the body of the rib where there s a directional change toward the sternum
What unique feature is present on the body of the second rib?
The tuberosity for the Serratus anterior
What features may be present on the boy of the 11th rib?
The costal angle and costal groove are under-developed
What is the appearance of the sternal end of the 12th rib?
The sternal end is pointed
