Skeleton of Thoracic Wall Flashcards Preview

Clinical Anatomy - Trunk/Thorax > Skeleton of Thoracic Wall > Flashcards

Flashcards in Skeleton of Thoracic Wall Deck (8)
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1

Thoracic wall (4)

12 pairs of ribs and costal cartilages
12 thoracic vertebrae
sternum
intercostal space

2

Superior thoracic aperture

anatomical thoracic inlet
borders: posteriorly - T1, laterally - first pair of ribs and costal cartilages, anteriorly - superior border of the manubrium

3

Inferior thoracic aperture

anatomical thoracic outlet
borders: posterior - T12, posterolaterally - 11th and 12th pairs of ribs, anterolaterally - the joined costal cartilages of the ribs forming the costal margin, anteriorly - xiphisternal joint

4

True ribs

vertebrosternal ribs
ribs 1 - 7
attach directly to sternum via costal cartilages

5

False ribs

vertebrochondral ribs
ribs 8 - 10
cartilaginous attachment to rib above

6

Floating ribs

free ribs
ribs 11 - 12 (sometimes 10 too)
free end which ends in posterior abdominal musculature

7

Sternoclavicular joint

saddle joint
sternal end of clavicle with manubrium and 1st costal cartilage

8

Intervertebral joint

symphysis (secondary cartilaginous)
between adjacent vertebral bodies