Bones of the Thorax

14 terms by Aldous_Ron 

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True Ribs

top 7 pairs of ribs that attach directly to the sternum by costal cartilage

False Ribs

last 5 pairs of ribs; attach indirectly to sternum

Floating Ribs

last two pairs of ribs; do not attach to sternum

Head

part of the rib that articulates with the demifacets of the body of a thoracic vertebra

Tubercle

feature of the rib that articulates with transverse process of thoracic vertebra

Sternal Extremity

feature of rib found medialy and articulates with the sternum

Costal Groove

Channel on the inner, inferior face of the rib that lodges the intercostal nerves and blood vessels

Sternum

the flat bone that articulates with the clavicles and the first seven pairs of ribs

Manubrium

the bony structure that forms the upper portion of the sternum

Clavicular Notches

Top of manubrium where clavical bones attach to sternum

Jugular Notch

Notch in top center of manubrium of sternum

Body

the bony structure that forms the middle portion of the sternum

Sternal Angle

Junction of the manubrium and body of the sternum at the level of the second costal cartilage.

Xiphoid Process

the structure made of cartilage that forms the lower portion of the sternum

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