Bones of the thorax Flashcards
What are the bones of the thorax?
Sternum, 12 thoracic vertebrae, 12 pairs ribs
What are the three classes of ribs?
True, false and floating.
What type of rib are ribs 1-7?
True ribs
Which ribs attach to the sternum through their own costal cartilage?
True ribs
What type of rib are ribs 8-10?
False ribs
What type of rib are ribs 11-12?
Floating ribs
What are the three components of the sternum?
Manubrium, body and xyphoid
Where is the sternal angle?
Where the manubrium and body meet
With what does the sternum articulate?
Clavicles, true ribs
Where does the head of a rib articulate on the vertebrae?
Body of corresponding T vertebra and one higher
Where does the tubercle of a rib articulate on the vertebrae?
Transverse process of the corresponding T vertebra
What is the costal groove?
Impression on medial side of ribs for neurovasculature
