Thorax: Bones And Markings Flashcards
1
Q
True (vertebrocostal) ribs
A
1-7, attach directly to sternum
2
Q
False (vertebrochondral) ribs
A
8-10, connect to sternum indirectly
3
Q
Floating (vertebral, free) ribs
A
11 and 12, do not connect
4
Q
Typical ribs
A
3-9. Have head with superior and and inferior facets, neck, tubercle, shaft
5
Q
1st rib (atypical)
A
Broadest, shortest, and sharply curved, with single facet on its head, and has scalene tubercle that separates the subclavian vein and artery
6
Q
2nd rib (atypical)
A
Thinner, has two facets for articulating with T1 and T2 bodies and has tubercle for muscle attachment
7
Q
10th rib (atypical)
A
Only has one facet like the first rib
8
Q
11th and 12th rib (atypical)
A
Have only one facet on their heads and are short with no necks or tubercles
