Sternum and Ribs Flashcards
What are the three main parts of the sternum?
Manubrium
Body
Xiphoid
What part of the sternum is most superior
Manubrium
How many ribs are in the body?
24
How many ribs do not attach to the sternum?
4
Which part of the sternum is most inferior?
Xiphoid
What does the vertebrae end of a rib look and feel like?
It’s hook shaped and has a sharp feeling on the bottom
What does the sternal end of the rib connect to?
Costal Cartlidge
What are the first seven pairs of ribs called?
True ribs
How many true ribs are in the body
The first seven (total 14)
Why are the first seven ribs called true ribs
They connect to their own costal Cartlidge
What are the last ribs on the rib cage called?
False ribs
Why are they called false ribs
They don’t connect to the sternum with their own cartilage, but connect to the sternum through rib number seven
Are there such things as floating ribs?
Yes
How many floating ribs are in the body?
2 (total four)
What part of the vertebral column do costal faucets sit
Thoracic vertebrae
Where do the ribs sit on the thoracic vertebrae
Costal facets
Where does the costal Cartlidge sit?
What does it do?
In between sternum and ribs
This holds the ribs and sternum together
What is the sharp edge on the rib?
Costal groove
Where does the costal groove sit on the rib bone?
Inferior part of the bone
