Thoracic cage Flashcards
What are ribs 1-7 called?
True ribs (superior to inferior)
What are ribs 8-10 called?
False ribs
What are ribs 11-12 called?
Floating ribs
Where are the ribs attached to?
Thoracic vertebrae + sternum
What is the most superior section of the sternum called?
Sternum-Manubrium
What is the middle section of the sternum called?
Sternum-body
What is the most inferior section of the sternum called?
Sternum-xipoid process
Where do the ribs attach to sternum via?
The costal cartilage
Where do the true ribs attach to?
The costal cartilage
Where do the false ribs attach to?
The costal cartilage of rib 7
Where do the floating ribs attach?
They have no attachment to the sternum, only the vertebrae
What features does a typical rib have?
Shaft of the rib, tubercle, head of the rib
What are the 2 parts of the head of the rib?
Inferior articular facet (articulates with the Demi facet on the equal numbered thoracic vertebra)
Superior articular facet (articulates with the Demi facet on the vertebra above its equal number)
